Universal Plastic Parts for Enhanced Audio Headphone Durability

• Customization: Available
• Material: ABS, PC, PA, TPU, Conductive Plastics
• Application: Wireless Earbuds, Headphones, Audio Accessories
• Model NO.: SH-AUDIO-009
• Certification: TS16949, ISO, ISO 13485:2016, IATF 16949:2016, ISO 9001:2022
• Processing_Method: Micro Injection Molding, Insert Molding
• Tolerance: ±0.01mm
• Lead Time: 2-4 Weeks
• MOQ: 500 Pieces
• Color: Customizable
• Transport Package: PE Bag
• Specification: PEEK plastic injection
• Trademark: no
• Origin: China
• Production Capacity: 60 Mould Per Month
• Package Size: 24.00cm * 21.00cm * 18.00cm
• Package Gross Weight: 10.000kg

Product Description

Product Description

 

 

Factory_Introduction

 

Shun Hing Industrial International Limited has been manufacturing consumer electronics components since 1987, specializing in audio device manufacturing with precision molding capabilities for miniaturized components. Our facility features specialized equipment for small, complex parts with excellent acoustic properties and premium finishes. Our engineering team has extensive experience in audio device development, including acoustic optimization, miniaturization, and integration of electronic components. With high-speed production capabilities of 150,000 products per month and comprehensive assembly services, we serve leading audio brands worldwide.1987,,.,.,,.150,000,.

 

Product_Specific_Details

 

Our audio device components are engineered for superior acoustic performance with precise dimensional control and excellent surface finishes. Advanced molding techniques achieve thin walls, complex geometries, and integrated features essential for modern audio devices. Specialized capabilities include acoustic tuning chambers, integrated antenna housings, and premium surface treatments. Our components undergo comprehensive testing including acoustic validation, durability testing, and electronic integration. Applications include wireless earbuds, headphone housings, speaker components, and audio accessories.,.,.,.,,.,,.

 

 

Detailed Photos

 

Product Parameters

Product_Name	Material	Processing_Method	Tolerance	Certification	Applications	Lead_Time	MOQ
PEEK Engineering Plastic Parts for SurgeryPEEK	Medical Grade PEEK (PEEK 450G, PEEK 450CA30)PEEK (PEEK 450G, PEEK 450CA30)	CNC Machining, Injection Molding,	±0.005mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2015	Spinal Implants, Surgical Instruments, Orthopedic Devices,,	3-6 weeks 3 - 6	500 Pieces 500
COC Engineering Plastic Parts for Medical TestingCOC	Medical Grade COC (Cyclic Olefin Copolymer)	Injection Molding, CNC Machining,	±0.01mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2016	Diagnostic Equipment, Laboratory Instruments, Microfluidics,,	2-4 weeks 2 - 4	500 Pieces 500
Medical Parts for Heart Surgery	Medical Grade PC, PEEK, POM, SiliconePC, PEEK, POM,	Injection Molding, Insert Molding,	±0.01mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2017	Heart Valves, Catheters, Surgical Instruments,,	4-8 weeks 4 - 8	500 Pieces 500
Medical Parts for Eye Pressure Measurement	Optical Grade PMMA, PC, COCPMMA, PC, COC	Precision Injection Molding	±0.005mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2018	Tonometers, Pressure Sensors, Optical Windows,,	3-6 weeks 3 - 6	500 Pieces 500
Oral Care Plastic Parts	Food Grade ABS, PP, TPE, SiliconeABS, PP, TPE,	Injection Molding, Overmolding,	±0.02mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2019	Electric Toothbrushes, Water Flossers, Dental Devices,,	2-4 weeks 2 - 4	500 Pieces 500
Healthcare Plastic Parts (Shaver & Hair Dryer)()	ABS, PC/ABS, PP, TPE, Flame Retardant PlasticsABS, PC/ABS, PP, TPE,	Injection Molding, Overmolding,	±0.05mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2020	Electric Shavers, Hair Dryers, Grooming Devices,,	3-6 weeks 3 - 6	500 Pieces 500
Skin Care Electronic Product Plastic Parts	Medical Grade ABS, PC, Silicone, TPUABS, PC,,TPU	Injection Molding, Overmolding, Insert Molding,,	±0.02mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2021	Facial Devices, LED Therapy, Microcurrent Devices,LED,	4-8 weeks 4 - 8	500 Pieces 500
Earphone Plastic Parts	ABS, PC, PA, TPU, Conductive PlasticsABS, PC, PA, TPU,	Micro Injection Molding, Insert Molding,	±0.01mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2022	Wireless Earbuds, Headphones, Audio Accessories,,	2-4 weeks 2 - 4	500 Pieces 500
Smart Glasses Plastic Parts	Optical Grade PC, PMMA, TR90, Carbon Fiber ReinforcedPC, PMMA, TR90,	Precision Injection Molding, Insert Molding,	±0.005mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2023	AR Glasses, VR Headsets, Smart EyewearAR,VR,	4-8 weeks 4 - 8	500 Pieces 500
Electronic Product Components (Charger & Bluetooth)()	Flame Retardant ABS, PC, PA, Conductive PlasticsABS, PC, PA,	Injection Molding, Insert Molding,	±0.02mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2024	Chargers, Power Adapters, Bluetooth Devices,,	2-4 weeks 2 - 4	500 Pieces 500
Product Housing and Structural Parts	ABS, PC/ABS, PP, PA, Glass Filled PlasticsABS, PC/ABS, PP, PA,	Large Part Injection Molding	±0.05mm (small features), ±0.1mm (large parts)±0.05mm(),±0.1mm()	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2025	Electronic Enclosures, Appliance Housings, Industrial Covers,,	4-8 weeks 4 - 8	500 Pieces 500
Automotive IATF 16949 Certified Plastic PartsIATF 16949	Automotive Grade ABS, PP, PA66+GF, PC/ABS, POMABS, PP, PA66, GF, PC/ABS, POM	Injection Molding, Insert Molding,	±0.01mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2026	Interior Trim, Exterior Parts, Under-Hood Components,,	6-12 weeks 6 - 12	500 Pieces 500
Precision Micro-Molded Components	Medical Grade Plastics, Engineering Plastics, Specialty Polymers,,	Micro Injection Molding	±0.005mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2027	Medical Devices, Electronics, Precision Instruments,,	4-8 weeks 4 - 8	500 Pieces 500
Cleanroom Compatible Medical Components	Medical Grade PC, COC, COP, PEEK, SiliconePC, COC, COP, PEEK,	Cleanroom Injection Molding	±0.01mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2028	Pharmaceutical, Medical Devices, Laboratory,,	4-8 weeks 4 - 8	500 Pieces 500
High-Performance Fiber Reinforced Components	Carbon Fiber Reinforced, Glass Fiber Reinforced, Hybrid Composites,,	Compression Molding, Injection Molding,	±0.02mm	ISO 13485:2016,   IATF 16949:2016,   ISO 9001:2029	Aerospace, Automotive, Industrial Structural,,	6-12 weeks 6 - 12	500 Pieces 500

 

 

 

Company Profile

 

 

 

FAQ

 

Shun Hing FAQ - Frequently Asked Questions

 

Manufacturing & Services

 

Q1. What manufacturing services does Shun Hing provide?Q1.?

 

A1: We offer comprehensive manufacturing services including precision tooling, plastic injection molding, machining parts, product assembly, In-Mold Labeling (IML), surface treatment, and complete project management from design to delivery.

 

Q2. What industries do you serve?Q2.?

 

A2: We specialize in healthcare products, medical devices (ISO 13485 certified), automotive components (IATF 16949 certified), household electronics, portable electronic products, earphones, and precision industrial components.

 

Q3. What certifications does Shun Hing hold?.?

 

A3: We are certified to ISO 9001:2015, IATF 16949:2016, and ISO 13485:2016 standards, ensuring the highest quality for automotive, medical, and general manufacturing applications.

 

Tooling & Precision

 

Q4. What is your tooling precision capability?.?

 

A4: Our tooling division achieves 0.01mm accuracy using five-axis CNC machining centers and Moore Jig Grinding Machines with 2μm precision. We use the EROWA positioning system ensuring tolerances no greater than 2μm between jig and machine interfaces.

 

Q5. How long is the tooling development time?Q5.?

 

A5: Tooling development typically takes 4-8 weeks depending on complexity. Simple molds: 4-5 weeks, complex multi-cavity molds: 6-8 weeks. We provide regular progress updates throughout the development process.

 

Q6. What is your mold life expectancy and warranty?Q6.?

 

A6: Our precision molds are designed for extended life cycles. Standard warranty is 500,000 shots for production molds. We provide comprehensive maintenance support and can extend mold life through our professional maintenance services.

 

Production & Quality

 

Q7. What is your production capacity?.?

 

A7: We can produce up to 80 molds per month and more than 10 millions plastic part subject to the size of the produce. We also operate 5 assembly lines with 120 skilled workers, producing an average of 150,000 products per month.

 

Q8. How do you ensure consistent quality?.?

 

A8: We use Full Automatic CMM measurement systems, RFID tracking throughout production, and all servo motor injection machines for stable quality. Over 99% of our injection machines are imported from Japan, achieving 0.01mm stroke accuracy.

 

Q9. What is your production leading time?.?

 

A9: Standard production lead time is 2-3 weeks for injection molded parts after tooling completion, and 3-4 weeks for complete assembly projects. Rush orders can be accommodated with 1-2 week delivery upon request.

 

Business Terms & Logistics

 

Q10. What are your trade terms?Q10.?

 

A10: Ex-works Dongguan, FOB Shenzhen, FOB Hong Kong. We can accommodate various shipping arrangements based on customer requirements.

 

Q11. What are your payment terms?11:?

 

A11: T/T or L/C at sight. For tooling: 50% deposit upon order confirmation, 30% at first trial, 20% upon approval. For production: 30% deposit to start production, 70% balance before shipment.

 

Q12. What documents do you provide for shipment?12.?

 

A12: Commercial Invoice, Packing List, Certificate of Origin, Quality Inspection Report, and any specific certificates required for your industry (medical device certificates, automotive compliance documents, etc.).

 

Project Management & Support

 

Q13. Do you provide design and engineering support?.?

 

A13: Yes, we have over 100 engineering and technical personnel providing comprehensive ME design, DFM optimization, prototyping services, and design for manufacturing consultation from concept to production.

 

Q14. Can you handle complete turnkey projects?Q14.?

 

A14: Absolutely. We provide one-stop solutions including product design, prototyping, tooling, injection molding, surface treatment, assembly, and supply chain management for complementary components like metal parts, adhesives, and PCBA.

 

Q15. What project management support do you offer?.?

 

A15: We assign dedicated project managers who coordinate all aspects from initial design through final delivery, providing regular updates, managing timelines, and ensuring quality standards throughout the project lifecycle. However, please keep in mind that we can only provide Mechanical Engineering support in house, while we can assist and coordinate for you on other areas.

 

Technical Capabilities

 

Q16. What materials can you work with?.?

 

A16: We work with a wide range of plastics including ABS, PC, PA, POM, TPU, as well as engineering plastic, such as PESU, COC, PEEK, PCTG and medical-grade materials. We can recommend optimal materials based on your application requirements.

 

Q17. What surface treatments do you offer?.?

 

A17: We provide spray painting, screen printing, In-Mold Labeling (IML), texture finishing, and various cosmetic treatments. Our IML department specializes in high-quality decorative and functional surface applications.

 

Q18. Do you offer prototyping services?.?

 

A18: Yes, we provide rapid prototyping using 3D printing, CNC prototype and rapid tooling techniques. This allows for design validation and testing before committing to production tooling, saving time and costs.

 

Quality & Compliance

 

Q19. How do you handle quality issues or defects?19.?

 

A19: We maintain comprehensive quality records through our system. In the rare event of quality issues, we investigate root causes, implement corrective actions, and provide replacement parts or products as needed.

 

Q20. Can you provide material certificates and test reports?**Q20.?**

 

A20: Yes, we provide complete material traceability, test reports, and certificates of compliance for all materials used. For medical and automotive applications, we maintain full documentation per industry requirements.

 

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Order Requirements & Flexibility

 

Q21. What is your minimum order quantity (MOQ)?

 

A21: For plastic injection molding, we can accommodate orders as low as 100-200 pieces, with setup costs distributed equally across each part. For assembly products, we prefer a minimum of 3,000 pieces to ensure cost efficiency and optimal production scheduling.

 

Q22. Do you offer samples, and what is the cost? .??

 

A22: As we specialize in custom, non-standard parts, we cannot provide exact samples from existing inventory. However, we offer prototype development services at reasonable costs, allowing you to validate design and functionality before committing to production tooling.

 

Q23. What geographic regions do you ship to? Q23.?

 

A23: We ship worldwide to all international destinations. Our experienced logistics team can arrange shipping to any global location with appropriate documentation and compliance requirements.

 

Q24. Do you have any exclusivity or confidentiality agreements? .?

 

A24: Yes, we can sign Non-Disclosure Agreements (NDAs) and confidentiality agreements with all clients to protect your intellectual property and proprietary designs. We understand the importance of maintaining strict confidentiality in competitive markets.

 

Q25. What is your capacity for handling rush orders? Q25.?

 

A25: We accommodate rush orders whenever possible and typically do not charge additional fees, though this is subject to current production schedules and specific project requirements. We'll work with you to find the best solution for urgent delivery needs.

 

Q26. Do you offer any post-delivery support or maintenance services? Q26.?

 

A26: Yes, we maintain comprehensive records of all projects and can provide detailed historical information and ongoing support. Our team can assist with troubleshooting, maintenance recommendations, and future modifications based on your production history with us.

 

Q27. Can you handle regulatory approvals for medical or automotive applications? .?

 

A27: Yes, we can provide support for regulatory approvals based on client needs. With our ISO 13485 and IATF 16949 certifications, we understand the documentation and compliance requirements for medical and automotive applications and can assist with necessary submissions.

 

Q28. What is your policy on design changes during production? Q28.,?

 

A28: Design changes are evaluated based on the production phase and associated costs. We provide detailed quotes for any requested modifications, considering the impact on tooling, production schedules, and material requirements to ensure transparent pricing.

 

Q29. Do you offer any financing or payment plan options for large tooling investments? Q29.?

 

A29: Payment arrangements for large tooling investments are subject to project size and can be negotiated on a case-by-case basis. We're flexible in working with clients to structure payment terms that support their cash flow requirements while ensuring project success.

 

Q30. What happens if there are delays due to material shortages or other external factors? A30: We communicate any potential delays to clients as soon as possible and proactively provide alternative material suggestions when shortages occur. Our experienced team works to minimize disruptions and find suitable solutions to keep projects on track.Q30.?A30:,.,,.