Sansong Silicone
A Guangzhou silicone and rubber manufacturer with medical-grade capability. ISO certifications indicated on Alibaba. Registry verified.
Silicone & rubber products, cleanroom indicated, certificates pending.
Medical-Grade Silicone Components
The Alibaba storefront indicates ISO 13485 certification and a Class 100,000 cleanroom, suggesting capability to produce medical-grade silicone components. Typical products include medical seals, tubing components, gaskets for medical devices, and silicone overmoulds. ISO 13485 certification documents have not been supplied to ChinaMakersHub — buyers should request and verify these directly before placing medical-grade orders.
Solid-State Compression Moulded Silicone
The company lists 12 solid-state vulcanising machines. Compression moulding produces silicone gaskets, seals, keypads, buttons, O-rings and custom-shaped parts. Specify material grade, hardness (Shore A range), colour, tolerances and surface finish.
Liquid Silicone Rubber (LSR) Injection Moulding
The company lists 8 liquid silicone injection moulding machines. LSR injection produces higher-precision parts with tighter tolerances and faster cycle times than compression moulding. Typical products include baby products, kitchen utensils, multi-shot overmoulds and optical-grade parts. Specify shot weight, cavity count and cycle-time requirements.
Industrial & Consumer Silicone Products
General-purpose silicone and rubber products for industrial, automotive, consumer and food-contact applications. Confirm material certifications (FDA, LFGB, ROHS) and applicable test standards with the factory.
What Is Not Yet On Record
ISO 9001 and ISO 13485 certifications are indicated on the Alibaba storefront but certificate documents have not been supplied to ChinaMakersHub. No cleanroom classification evidence, equipment specification sheets, material test reports or product photos have been supplied. This page lists registry facts and Alibaba evidence only.
What the registry confirms, and what stays open.
Registry Verified — Guangzhou, Guangdong
The company is registered as 广州三松橡胶制品有限公司, USCC 914401833046003711, with status “存续” (active) in Guangzhou. Company type: limited-liability company (USCC prefix 91). Credit-code check digit verified. Division code 440183 = Zengcheng District, Guangzhou. Legal representative: 刘玉婷.
ISO 9001 & ISO 13485 Indicated on Alibaba
The Alibaba International storefront displays ISO 9001 and ISO 13485 certification badges. ISO 13485 is the quality management standard for medical devices. These certifications have not been independently verified by ChinaMakersHub — request certificate copies and verify issuing body, scope and expiry date directly.
Class 100,000 Cleanroom & Equipment
The Alibaba listing describes a Class 100,000 (ISO 8) cleanroom and equipment including 12 solid-state vulcanising machines and 8 liquid silicone injection moulding machines. This equipment profile is consistent with a dedicated silicone manufacturing operation serving both industrial and medical markets.
Alibaba Gold Supplier — Fast Response
The company operates an Alibaba International storefront at gzsansong.en.alibaba.com with Gold Supplier status. The platform indicates a response time of one hour or less. The trade name on the platform matches the registered English name.
What was checked — and what the check found.
Registry data for this company has been checked via Chinese enterprise-data sources on 2026-09-08. The company is registered as active (存续) in Guangzhou, Guangdong. The Alibaba International storefront (gzsansong.en.alibaba.com) displays ISO 9001 and ISO 13485 certification badges and describes a Class 100,000 cleanroom with 12 solid-state vulcanising machines and 8 liquid silicone injection moulding machines. These claims have not been independently verified by ChinaMakersHub. No certificate copies, material test reports, cleanroom classification evidence or workshop photographs have been supplied. The 2025 annual report records 15 employees enrolled in social insurance. Buyers should request and verify all certifications directly with the company, especially for medical-grade applications where ISO 13485 scope and biocompatibility are critical.
A silicone manufacturer in Guangzhou, medical-grade capability indicated.
Sansong Silicone is the ChinaMakersHub listing name for Guangzhou Sansong Rubber Products Co., Ltd. (广州三松橡胶制品有限公司), a company registered in Guangzhou, Guangdong Province. The company manufactures silicone and rubber products, with medical-grade capability indicated on its Alibaba International storefront.
The company was founded on 12 August 2014 in Zengcheng District, Guangzhou. The 2025 annual report records 15 employees enrolled in social insurance. The Alibaba storefront describes ISO 9001 and ISO 13485 certifications, a Class 100,000 cleanroom, and equipment including 12 solid-state vulcanising machines and 8 liquid silicone injection moulding machines.
The Alibaba International storefront at gzsansong.en.alibaba.com is operational with Gold Supplier status and a response time of one hour or less. No certificate documents, product photos or production data have been supplied to ChinaMakersHub. All are listed as open items on this page.
Founded August 2014, registry verified, Alibaba Gold Supplier.
Company Founded
广州三松橡胶制品有限公司 registered on 12 August 2014 in Zengcheng District, Guangzhou. Legal representative: 刘玉婷.
Listed on ChinaMakersHub
Listed under silicone & plastics with registry verified. Alibaba Gold Supplier storefront confirmed with ISO 9001 and ISO 13485 badges. 15 insured employees. Certificate documents, product photos and cleanroom evidence have been requested.
Who sources silicone parts from China — and what to verify.
Medical Device OEMs
Silicone seals, gaskets, tubing components and overmoulds for medical devices. Verify ISO 13485 scope, cleanroom classification, biocompatibility test reports and material traceability before placing orders.
Consumer Products & Baby Goods
LSR injection-moulded silicone for baby products, kitchen utensils, protective cases and wearables. Confirm FDA or LFGB food-contact compliance and material test reports.
Industrial & Automotive
Silicone gaskets, O-rings, seals, vibration dampeners and protective covers for industrial equipment and automotive applications. Specify temperature range, compression set requirements and material grade.
Electronics & Keypads
Silicone keypads, buttons, connector seals and EMI shielding gaskets for electronic devices. Confirm conductive and non-conductive silicone options, surface treatments and assembly-line compatibility.
Sourcing Agents & Traders
A Guangzhou-based silicone manufacturer for agents building a supplier portfolio. Medical-grade capability indicated, Alibaba Gold Supplier, 15 insured staff.
Sourcing guides for this category
The 27-Point China Factory Audit Checklist
Product Inspection in China Before Shipment: A Buyer's Guide
How to Request a Sample from a Chinese Factory (Without Getting Burned)
What Documents to Request From a Chinese Supplier Before Your First Order
More verified factories
Jiguang Lighting
Yixinheng Acrylic
Huihexin Technology
Shenpuneng Electronics
Frequently Asked Questions
Is this listing CMH-verified?
The registry has been verified: the company is registered and active in Guangzhou since August 2014 with 15 insured employees. The Alibaba storefront has been confirmed. ISO 9001 and ISO 13485 badges are shown on Alibaba but certificate documents have not been supplied to ChinaMakersHub. The listing carries a registry-verified mark but production and certification checks remain open.
What does Sansong make?
The company manufactures silicone and rubber products, including medical-grade silicone components. Equipment includes compression moulding (12 machines) and liquid silicone injection moulding (8 machines). A Class 100,000 cleanroom is described on Alibaba. For the full product range and specifications, visit gzsansong.en.alibaba.com or contact the company through ChinaMakersHub.
Does it have ISO 13485?
The Alibaba storefront displays an ISO 13485 badge. However, the certificate document has not been supplied to or verified by ChinaMakersHub. Buyers requiring medical-grade silicone should request the certificate copy, verify the issuing body and scope, and confirm the cleanroom classification independently.
How large is the factory?
The 2025 annual report records 15 employees enrolled in social insurance. The Alibaba listing describes a cleanroom and 20 moulding machines. No workshop photographs or independent capacity verification have been supplied to ChinaMakersHub.
What should I send to get a quote?
A 2D/3D drawing with material grade (medical, food, industrial silicone), hardness (Shore A), dimensions, tolerances, colour, surface finish, quantity and application. For medical parts, specify biocompatibility requirements and applicable standards.
What did the ChinaMakersHub check find?
Run on 2026-09-08 against Chinese enterprise records: active since August 2014, registered in Zengcheng District, Guangzhou, limited-liability company, 15 insured employees. Alibaba Gold Supplier storefront confirmed with ISO 9001 and ISO 13485 badges. Open: certificate copies, cleanroom evidence, product photos, material reports.
Talk to Sansong Silicone directly.
State the product type (silicone seal, gasket, medical component, keypad, overmould, custom part, etc.), material grade (medical, food, industrial), hardness (Shore A), dimensions, tolerances, quantity and application. Ask for ISO 13485 and ISO 9001 certificates, material test reports, cleanroom classification evidence, and lead times.