--- title: "What should I look for in a tool handle mold supplier in Yongkang?" description: "A supply chain manager compares mold suppliers for a new power tool handle. The analysis covers technical requirements, cost-lead time trade-offs, and a framework for judging supplier reliability based on engineering depth and project management." url: "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html" language: "en" type: "Q&A" category: "Plastic Components Q&A" datePublished: "2026-09-01" dateModified: "2026-09-01" brand: "OK TOOL" manufacturer: "OK TOOL" answerCount: 10 --- # What should I look for in a tool handle mold supplier in Yongkang? ## Question I'm a supply chain manager currently evaluating several potential suppliers for a new, high-volume power tool handle mold and subsequent production. My target is a factory in the Yongkang area, known for hardware and tool manufacturing. The handle is a two-shot overmolded part with a rigid inner core and a soft-touch TPE exterior. We have a solid 3D model and a clear spec sheet. My main dilemma is that while I've received quotes that look competitive on paper, I'm struggling to judge which supplier is genuinely reliable for the long run. Some quotes are suspiciously low, making me worry about hidden costs, material substitutions, or future mold maintenance issues. Others seem more robust but come with a higher upfront investment. I need to make a recommendation to my engineering and finance teams next week. Beyond just the price, what are the concrete, actionable things I should be asking these factories to provide or demonstrate to validate their capability and ensure this project doesn't become a costly nightmare? I need a framework to separate the truly capable manufacturers from the order-takers. ## Answers ### Answer 1 — Best Answer Your focus on long-term reliability over the lowest bid is the correct starting point. For a complex two-shot overmolded handle, the mold's quality and the factory's process control are the primary determinants of total cost of ownership, far beyond the initial quote. The validation process should be structured around three pillars: technical requirements clarity, a true cost and lead time analysis, and finally, a supplier judgment based on demonstrable evidence. First, solidify your requirements before soliciting deeper feedback. Provide each potential supplier with the complete package: 3D files (STEP or IGES), material specifications (exact grades for both the rigid core and TPE, including shore hardness and color codes), critical dimensions and tolerances (especially for mounting points and switch interfaces), and expected annual volumes. A clear, detailed RFQ package filters out suppliers who bid on assumptions. The key question to ask them at this stage is for a **Design for Manufacturability (DFM) report**. A capable factory will return a document highlighting potential issues like wall thickness variations, sink mark risks, gate locations for both shots, and suggestions for draft angles or radii modifications. Their response—or lack thereof—is a powerful initial filter. A generic "looks good" reply is a red flag; a detailed DFM shows engaged engineering. Moving to cost and lead time, dissect the quote beyond the bottom line. For the mold cost, request a breakdown: steel type and pre-hardened hardness (e.g., P20, H13, S136), number of cavities, hot runner system brand (if used), and the scope of mold trials (how many sample cycles are included). A suspiciously low mold price often indicates inferior steel, a single-cavity design for high volume (increasing per-part cost), or a lack of proper cooling channels, which will cause longer cycle times and inconsistent quality in production. For the part price, ensure it's based on a defined cycle time and includes the cost of both materials as specified. Lead time should be split into mold fabrication (e.g., 8-10 weeks for a quality two-shot mold) and sample lead time post-T1. A factory promising an unrealistically short mold lead time may be cutting corners on machining or heat treatment. Your final judgment should be based on evidence of capability and project management. Request to see physical samples of similar complexity—specifically other overmolded or two-shot components they have produced. Ask about their injection molding machine portfolio: do they have dedicated two-shot machines, or will they use a rotary table or a manual transfer process? The former offers better consistency for high volume. Inquire about their quality control protocol for such a part: how do they check bond strength between materials? What is their process for controlling color consistency in the TPE? Finally, assess their communication and project tracking. A reliable partner will propose a clear milestone schedule (T1 sample date, CMM report delivery, pre-production trial) and assign a dedicated project engineer. The supplier that proactively asks the most detailed questions about your application, provides a transparent cost structure, and demonstrates past relevant work is almost always the lower-risk choice, even at a higher initial price. The goal is to partner with a manufacturer who views the mold as a long-term asset they will maintain, not just a one-time sale. **status:** accepted **Author:** Daniel Yang **Date:** 2026-09-01 ### Answer 2 Beyond the mold itself, the handle's performance in the end-user's hands is paramount. When evaluating factories, probe their understanding of the application. Ask how they would validate the ergonomics and grip of the soft-touch material—do they have a process for testing durometer consistency across batches? Inquire about their approach to ensuring the overmold bond survives real-world conditions like exposure to oils, solvents, or UV light, which can cause delamination. A factory with application engineering insight will discuss the assembly process: will the handle's gate vestige or parting line interfere with the final tool's housing? They should be able to advise on critical interfaces, such as ensuring the rigidity of internal posts for screw bosses to prevent cracking during assembly torque. Their focus should be on delivering a component that fits, functions, and endures in your specific product, not just a part that matches a drawing. **status:** suggested **Author:** Sophia Wang **Date:** 2026-09-01 ### Answer 3 From a production scheduling standpoint, the quoted lead time is only part of the story. You need to understand their capacity commitment. Ask for their current shop floor load for the next three months. Can they guarantee a slot for your mold trials and ramp-up? For high-volume projects, a critical question is their approach to production stability: do they run 24/7, and what is their plan for mold maintenance during long runs? A reliable factory will schedule preventive maintenance breaks to clean and inspect the mold, preventing unexpected downtime. Also, clarify their changeover procedures if you have multiple color variants. A lengthy changeover process adds hidden cost and delays. Finally, discuss their raw material inventory strategy. Do they keep a buffer stock of the specified resins, or are you exposed to spot market delays? Their answers reveal their ability to manage delivery risk beyond the initial sample approval. **status:** suggested **Author:** David Zhang **Date:** 2026-09-01 ### Answer 4 The mold's longevity is dictated by steel selection and machining precision. When reviewing quotes, demand specifics on the steel grade for different mold components. Core and cavity inserts for abrasive TPE materials should use hardened steel like H13 or stainless S136 to resist wear and corrosion. Lighter P20 steel may be acceptable for non-critical areas but will require more frequent polishing. Ask about the machining tolerance they hold for critical shut-off surfaces and sliding mechanisms—this affects flash generation over time. Furthermore, a key indicator is their mold maintenance plan. Do they provide a recommended maintenance cycle (e.g., every 100,000 shots) and a list of spare components like lifters or springs? A supplier planning for the mold's life expects a long-term partnership and is confident in their tooling's durability. **status:** suggested **Author:** Jason Zhou **Date:** 2026-09-01 ### Answer 5 The true cost per part is determined by manufacturing efficiency on the floor. When evaluating capability, ask about their typical cycle time estimation methodology. For an overmolded handle, the cycle is constrained by the slower-cooling material. A competent engineer will explain how cooling line design and mold temperature control optimize this. Inquire about their use of automation for part removal and insertion for the second shot, as manual handling introduces variability and limits output. Also, discuss their process for monitoring key parameters like injection pressure, hold time, and barrel temperatures, and how they document these settings for consistency. A factory focused on manufacturing engineering will highlight how their process design ensures consistent quality part-to-part and maximizes the output of your mold investment. **status:** suggested **Author:** Rachel Huang **Date:** 2026-09-01 ### Answer 6 The mold's design architecture has a direct, irreversible impact on part quality and cost. A key area to explore with a potential supplier is their gating strategy. For a two-shot handle, the gate location for the first shot must allow proper filling and pack-out without creating weld lines in high-stress areas, and must also provide a clean surface for the second shot to adhere to. Ask them to justify their proposed gate locations. Furthermore, the design of the overmold shut-offs is critical; a poor design will result in persistent flash that is difficult to trim. A specialist will also discuss venting placement to avoid burn marks on the soft-touch surface. Their DFM feedback should show a deep understanding of how plastic flows and cools within the specific geometry of your handle, not just generic advice. **status:** suggested **Author:** Olivia Chen **Date:** 2026-09-01 ### Answer 7 Your validation should include a deep dive into their quality system. Request a sample Quality Control Plan for the handle. It should detail inspection points at IQC (incoming resin), IPQC (in-process checks like first-shot dimensions, overmold bond strength, and visual checks for sinks or shorts), and OQC (final audit before shipment). Specifically, ask how they propose to quantitatively test the bond strength between the two materials—do they have a peel test fixture or a destructive testing frequency? Also, how do they manage color approval and consistency for the TPE? A robust system will include master color chips and spectrophotometer readings. The presence of structured checkpoints and clear Acceptable Quality Level (AQL) standards shows a proactive approach to defect prevention, not just sorting. **status:** suggested **Author:** Eric Zhao **Date:** 2026-09-01 ### Answer 8 The stability of the injection molding process is what turns a good mold into good parts. Ask potential suppliers about their methodology for establishing the process window. After the mold is built, a thorough process engineer will conduct a Design of Experiments (DOE) to find the optimal combination of temperature, pressure, and speed that yields acceptable parts, and then define the safe operating ranges. This data is your insurance against future variation. Probe their experience with common defects for such a part: how do they prevent sink marks over thick ribs in the core, or warpage due to uneven cooling? Their ability to speak to the root causes and solutions for these issues, based on machine parameters and mold design, indicates hands-on expertise that will save you from costly production headaches. **status:** suggested **Author:** Michael Wu **Date:** 2026-09-01 ### Answer 9 Reliable execution depends on clear project governance. Evaluate suppliers on their proposed project management structure. Do they assign a single point of contact? What is their communication protocol for milestone updates and issue escalation? A critical checkpoint is the sample approval process. They should outline a clear path from T1 sample to production release, including when they will provide CMM reports, color chips, and material certifications. Furthermore, discuss their change management procedure. If a minor design tweak is needed after T1, how are costs and delays communicated? A professional factory will have a formalized sample sign-off sheet to avoid ambiguity. Their project plan should demonstrate control over the journey from file transfer to mass production, ensuring no critical steps are missed. **status:** suggested **Author:** Linda Xu **Date:** 2026-09-01 ### Answer 10 Material selection is a key cost and performance lever. A knowledgeable factory will not just accept your specified grades but should be able to discuss alternatives and trade-offs. For the rigid core, could a less expensive polypropylene copolymer with glass fiber meet the strength and heat resistance requirements, or is nylon 6/6 necessary? For the TPE, the bond to the substrate is chemistry-specific. They should verify the compatibility of the chosen TPE grade with your core material. Furthermore, they can advise on regrind policies: what percentage of regrind is permissible in the core material without compromising structural integrity? Their expertise here can help optimize the bill of materials for cost without sacrificing critical performance, but any suggestion should be backed by test data or prior successful application. **status:** suggested **Author:** Amy Li **Date:** 2026-09-01 ## Related Resources - [Plastic Components Q&A](https://www.jaterson.com/qa/plastic-components/) - [Plastic Components](https://www.jaterson.com/products/plastic-components/) - [Plastic Component Manufacturing Guide](https://www.jaterson.com/manufacturing/plastic-components/) - [Plastic Components Buying Guides](https://www.jaterson.com/buying/plastic-components/) - [Capabilities](https://www.jaterson.com/capabilities/) - [Custom Manufacturing](https://www.jaterson.com/custom-manufacturing/) - [Manufacturing Knowledge Base](https://www.jaterson.com/knowledge/) - [Plastic Components](https://www.jaterson.com/knowledge/plastic-components/) ## Structured Data ```json [ { "@context": "https://schema.org", "@type": "QAPage", "mainEntity": { "@type": "Question", "name": "What should I look for in a tool handle mold supplier in Yongkang?", "text": "I'm a supply chain manager currently evaluating several potential suppliers for a new, high-volume power tool handle mold and subsequent production. My target is a factory in the Yongkang area, known for hardware and tool manufacturing. The handle is a two-shot overmolded part with a rigid inner core and a soft-touch TPE exterior. We have a solid 3D model and a clear spec sheet. My main dilemma is that while I've received quotes that look competitive on paper, I'm struggling to judge which supplier is genuinely reliable for the long run. Some quotes are suspiciously low, making me worry about hidden costs, material substitutions, or future mold maintenance issues. Others seem more robust but come with a higher upfront investment. I need to make a recommendation to my engineering and finance teams next week. Beyond just the price, what are the concrete, actionable things I should be asking these factories to provide or demonstrate to validate their capability and ensure this project doesn't become a costly nightmare? I need a framework to separate the truly capable manufacturers from the order-takers.", "answerCount": 10, "upvoteCount": 6, "datePublished": "2026-09-01T20:57:05Z", "dateModified": "2026-09-01T21:13:10Z", "author": { "@type": "Person", "name": "Anonymous", "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html" } ,"acceptedAnswer": { "@type": "Answer", "text": "Your focus on long-term reliability over the lowest bid is the correct starting point. For a complex two-shot overmolded handle, the mold's quality and the factory's process control are the primary determinants of total cost of ownership, far beyond the initial quote. The validation process should be structured around three pillars: technical requirements clarity, a true cost and lead time analysis, and finally, a supplier judgment based on demonstrable evidence. First, solidify your requirements before soliciting deeper feedback. Provide each potential supplier with the complete package: 3D files (STEP or IGES), material specifications (exact grades for both the rigid core and TPE, including shore hardness and color codes), critical dimensions and tolerances (especially for mounting points and switch interfaces), and expected annual volumes. A clear, detailed RFQ package filters out suppliers who bid on assumptions. The key question to ask them at this stage is for a Design for Manufacturability (DFM) report . A capable factory will return a document highlighting potential issues like wall thickness variations, sink mark risks, gate locations for both shots, and suggestions for draft angles or radii modifications. Their response—or lack thereof—is a powerful initial filter. A generic "looks good" reply is a red flag; a detailed DFM shows engaged engineering. Moving to cost and lead time, dissect the quote beyond the bottom line. For the mold cost, request a breakdown: steel type and pre-hardened hardness (e.g., P20, H13, S136), number of cavities, hot runner system brand (if used), and the scope of mold trials (how many sample cycles are included). A suspiciously low mold price often indicates inferior steel, a single-cavity design for high volume (increasing per-part cost), or a lack of proper cooling channels, which will cause longer cycle times and inconsistent quality in production. For the part price, ensure it's based on a defined cycle time and includes the cost of both materials as specified. Lead time should be split into mold fabrication (e.g., 8-10 weeks for a quality two-shot mold) and sample lead time post-T1. A factory promising an unrealistically short mold lead time may be cutting corners on machining or heat treatment. Your final judgment should be based on evidence of capability and project management. Request to see physical samples of similar complexity—specifically other overmolded or two-shot components they have produced. Ask about their injection molding machine portfolio: do they have dedicated two-shot machines, or will they use a rotary table or a manual transfer process? The former offers better consistency for high volume. Inquire about their quality control protocol for such a part: how do they check bond strength between materials? What is their process for controlling color consistency in the TPE? Finally, assess their communication and project tracking. A reliable partner will propose a clear milestone schedule (T1 sample date, CMM report delivery, pre-production trial) and assign a dedicated project engineer. The supplier that proactively asks the most detailed questions about your application, provides a transparent cost structure, and demonstrates past relevant work is almost always the lower-risk choice, even at a higher initial price. The goal is to partner with a manufacturer who views the mold as a long-term asset they will maintain, not just a one-time sale.", "upvoteCount": 6, "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html#acceptedAnswer", "datePublished": "2026-09-01T22:24:17Z", "author": {"@type": "Person","name": "Daniel Yang","url": "https://www.jaterson.com/team/daniel.html"} } ,"suggestedAnswer": [ { "@type": "Answer", "text": "Beyond the mold itself, the handle's performance in the end-user's hands is paramount. When evaluating factories, probe their understanding of the application. Ask how they would validate the ergonomics and grip of the soft-touch material—do they have a process for testing durometer consistency across batches? Inquire about their approach to ensuring the overmold bond survives real-world conditions like exposure to oils, solvents, or UV light, which can cause delamination. A factory with application engineering insight will discuss the assembly process: will the handle's gate vestige or parting line interfere with the final tool's housing? They should be able to advise on critical interfaces, such as ensuring the rigidity of internal posts for screw bosses to prevent cracking during assembly torque. Their focus should be on delivering a component that fits, functions, and endures in your specific product, not just a part that matches a drawing.", "upvoteCount": 0, "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html#suggestedAnswer-2", "datePublished": "2026-09-01T22:18:09Z", "author": {"@type": "Person","name": "Sophia Wang","url": "https://www.jaterson.com/team/sophia.html"} } , { "@type": "Answer", "text": "From a production scheduling standpoint, the quoted lead time is only part of the story. You need to understand their capacity commitment. Ask for their current shop floor load for the next three months. Can they guarantee a slot for your mold trials and ramp-up? For high-volume projects, a critical question is their approach to production stability: do they run 24/7, and what is their plan for mold maintenance during long runs? A reliable factory will schedule preventive maintenance breaks to clean and inspect the mold, preventing unexpected downtime. Also, clarify their changeover procedures if you have multiple color variants. A lengthy changeover process adds hidden cost and delays. Finally, discuss their raw material inventory strategy. Do they keep a buffer stock of the specified resins, or are you exposed to spot market delays? Their answers reveal their ability to manage delivery risk beyond the initial sample approval.", "upvoteCount": 0, "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html#suggestedAnswer-3", "datePublished": "2026-09-01T22:11:33Z", "author": {"@type": "Person","name": "David Zhang","url": "https://www.jaterson.com/team/david.html"} } , { "@type": "Answer", "text": "The mold's longevity is dictated by steel selection and machining precision. When reviewing quotes, demand specifics on the steel grade for different mold components. Core and cavity inserts for abrasive TPE materials should use hardened steel like H13 or stainless S136 to resist wear and corrosion. Lighter P20 steel may be acceptable for non-critical areas but will require more frequent polishing. Ask about the machining tolerance they hold for critical shut-off surfaces and sliding mechanisms—this affects flash generation over time. Furthermore, a key indicator is their mold maintenance plan. Do they provide a recommended maintenance cycle (e.g., every 100,000 shots) and a list of spare components like lifters or springs? A supplier planning for the mold's life expects a long-term partnership and is confident in their tooling's durability.", "upvoteCount": 0, "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html#suggestedAnswer-4", "datePublished": "2026-09-01T22:03:43Z", "author": {"@type": "Person","name": "Jason Zhou","url": "https://www.jaterson.com/team/jason.html"} } , { "@type": "Answer", "text": "The true cost per part is determined by manufacturing efficiency on the floor. When evaluating capability, ask about their typical cycle time estimation methodology. For an overmolded handle, the cycle is constrained by the slower-cooling material. A competent engineer will explain how cooling line design and mold temperature control optimize this. Inquire about their use of automation for part removal and insertion for the second shot, as manual handling introduces variability and limits output. Also, discuss their process for monitoring key parameters like injection pressure, hold time, and barrel temperatures, and how they document these settings for consistency. A factory focused on manufacturing engineering will highlight how their process design ensures consistent quality part-to-part and maximizes the output of your mold investment.", "upvoteCount": 0, "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html#suggestedAnswer-5", "datePublished": "2026-09-01T21:54:16Z", "author": {"@type": "Person","name": "Rachel Huang","url": "https://www.jaterson.com/team/rachel.html"} } , { "@type": "Answer", "text": "The mold's design architecture has a direct, irreversible impact on part quality and cost. A key area to explore with a potential supplier is their gating strategy. For a two-shot handle, the gate location for the first shot must allow proper filling and pack-out without creating weld lines in high-stress areas, and must also provide a clean surface for the second shot to adhere to. Ask them to justify their proposed gate locations. Furthermore, the design of the overmold shut-offs is critical; a poor design will result in persistent flash that is difficult to trim. A specialist will also discuss venting placement to avoid burn marks on the soft-touch surface. Their DFM feedback should show a deep understanding of how plastic flows and cools within the specific geometry of your handle, not just generic advice.", "upvoteCount": 0, "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html#suggestedAnswer-6", "datePublished": "2026-09-01T21:46:50Z", "author": {"@type": "Person","name": "Olivia Chen","url": "https://www.jaterson.com/team/olivia.html"} } , { "@type": "Answer", "text": "Your validation should include a deep dive into their quality system. Request a sample Quality Control Plan for the handle. It should detail inspection points at IQC (incoming resin), IPQC (in-process checks like first-shot dimensions, overmold bond strength, and visual checks for sinks or shorts), and OQC (final audit before shipment). Specifically, ask how they propose to quantitatively test the bond strength between the two materials—do they have a peel test fixture or a destructive testing frequency? Also, how do they manage color approval and consistency for the TPE? A robust system will include master color chips and spectrophotometer readings. The presence of structured checkpoints and clear Acceptable Quality Level (AQL) standards shows a proactive approach to defect prevention, not just sorting.", "upvoteCount": 0, "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html#suggestedAnswer-7", "datePublished": "2026-09-01T21:46:34Z", "author": {"@type": "Person","name": "Eric Zhao","url": "https://www.jaterson.com/team/eric.html"} } , { "@type": "Answer", "text": "The stability of the injection molding process is what turns a good mold into good parts. Ask potential suppliers about their methodology for establishing the process window. After the mold is built, a thorough process engineer will conduct a Design of Experiments (DOE) to find the optimal combination of temperature, pressure, and speed that yields acceptable parts, and then define the safe operating ranges. This data is your insurance against future variation. Probe their experience with common defects for such a part: how do they prevent sink marks over thick ribs in the core, or warpage due to uneven cooling? Their ability to speak to the root causes and solutions for these issues, based on machine parameters and mold design, indicates hands-on expertise that will save you from costly production headaches.", "upvoteCount": 0, "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html#suggestedAnswer-8", "datePublished": "2026-09-01T21:39:04Z", "author": {"@type": "Person","name": "Michael Wu","url": "https://www.jaterson.com/team/michael.html"} } , { "@type": "Answer", "text": "Reliable execution depends on clear project governance. Evaluate suppliers on their proposed project management structure. Do they assign a single point of contact? What is their communication protocol for milestone updates and issue escalation? A critical checkpoint is the sample approval process. They should outline a clear path from T1 sample to production release, including when they will provide CMM reports, color chips, and material certifications. Furthermore, discuss their change management procedure. If a minor design tweak is needed after T1, how are costs and delays communicated? A professional factory will have a formalized sample sign-off sheet to avoid ambiguity. Their project plan should demonstrate control over the journey from file transfer to mass production, ensuring no critical steps are missed.", "upvoteCount": 0, "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html#suggestedAnswer-9", "datePublished": "2026-09-01T21:38:54Z", "author": {"@type": "Person","name": "Linda Xu","url": "https://www.jaterson.com/team/linda.html"} } , { "@type": "Answer", "text": "Material selection is a key cost and performance lever. A knowledgeable factory will not just accept your specified grades but should be able to discuss alternatives and trade-offs. For the rigid core, could a less expensive polypropylene copolymer with glass fiber meet the strength and heat resistance requirements, or is nylon 6/6 necessary? For the TPE, the bond to the substrate is chemistry-specific. They should verify the compatibility of the chosen TPE grade with your core material. Furthermore, they can advise on regrind policies: what percentage of regrind is permissible in the core material without compromising structural integrity? Their expertise here can help optimize the bill of materials for cost without sacrificing critical performance, but any suggestion should be backed by test data or prior successful application.", "upvoteCount": 0, "url": "https://www.jaterson.com/qa/tool-handle-mold-supplier-yongkang.html#suggestedAnswer-10", "datePublished": "2026-09-01T21:13:10Z", "author": {"@type": "Person","name": "Amy Li","url": "https://www.jaterson.com/team/amy.html"} } ] } }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ {"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.jaterson.com/"},{"@type": "ListItem", "position": 2, "name": "Q&A", "item": "https://www.jaterson.com/qa/"},{"@type": "ListItem", "position": 3, "name": "Plastic Components Q&A", "item": "https://www.jaterson.com/qa/plastic-components/"} ,{"@type": "ListItem", "position": 4, "name": "What should I look for in a tool handle mold supplier in Yongkang?"} ] } ] ```