
Ningbo Sunwell Sealing Materials Co., Ltd.
Verified listingNingbo Sunwell Sealing Materials Co., Ltd. (SUNWELL SEALS) is one of China's largest manufacturers of sealing and heat preservation products, located in Cixi, Ningbo, Zhejiang Province. The company holds API 6A certification qualifying its products for wellhead and Christmas tree flange service, as well as ISO 9001:2008 certification. With nearly 20 years of manufacturing experience, Sunwell is a professional manufacturer engaged in research, development, production, and sale of metal gaskets, non-metallic gaskets, braided packings, compressed gasket sheets, sealing equipment, hydraulic sealing products, insulation products, and sealing raw materials. The company has introduced advanced manufacturing equipment including fully automatic spiraling machines, CNC machines, double-jacketed machines, and full-range sheeting machines. Products are exported to North America, Europe, the Middle East, and South America. Sunwell's product range includes spiral wound gaskets (ASME B16.20), ring joint gaskets (API/ASME), kammprofile gaskets, compressed non-asbestos gasket sheets, gland packings (graphite, PTFE, carbon fiber), flange insulation gasket kits, and sealing raw materials. OEM and ODM services are available. Contact: [email protected], +86-574-23450019.
Product lines
Gaskets & Seals
No product family confirmed yet. Browse Gaskets & Seals
Manufacturing & Fabrication
No product family confirmed yet. Browse Manufacturing & Fabrication
Process Heating & Heat Exchange Equipment — Unspecified
No product family confirmed yet. Browse Process Heating & Heat Exchange Equipment — Unspecified
Wellhead Equipment — Unspecified
No product family confirmed yet. Browse Wellhead Equipment — Unspecified
Locations
| Site | Type |
|---|---|
Headquarters & Factory - CixiNo.1, 478 Ave, Hengpeng Road, Henghe Industrial Zone, Cixi, China | Headquarters |
Service area
Service area not yet confirmed by the company.
Certifications
Cixi, China
| API 6A | 6A-2323 | Verified |
Company-wide (no site given)
| ISO 9001 | — | Company claim — not verified against the issuer |
Verified: matched to API’s Composite List.
Contacts
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