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Durable Inner and Outer Ring Spiral Gasket Options for All Industries
Negotiable
10 Pieces
Product profile
Customization
AvailableMaterial
Engineering PlasticsApplication
Flange SealModel NO.
Sunwell -SW600Type
Oil SealPerformance
High PressureStandard
Standard, NonstandardProducts Name
Inner and Outer Ring Spiral GasketStyle
Mechanical SealShape (for Gasket)
Ring GasketFunction
Rotary SealingTransport Package
Wooden CaseSpecification
Standard, according to your requestsTrademark
Sunwell OEMOrigin
Ningbo, ChinaHS Code
84841000Production Capacity
1000000PCS/MonthKey features
High Production Capacity: Annual capacity of 4.5 million gaskets with 150,000 PCS monthly output.
OEM and ODM Services: Flexible customization options tailored to specific client requirements.
Multi-Standard Compliance: Manufactures CG, CGI, R, RIR types compliant with various gasket standards.
Quality Certifications: Holds ISO9001:2015, ISO 14000, and ISO 18000 certifications.
Diverse Material Options: Wide selection of alloys and fillers for varied operating conditions.
Stock Availability: Extensive inventory of standard finished gaskets ready for immediate shipment.
Superior Compression Resilience: Designed for reliable performance under frequent temperature and pressure fluctuations.
Specialized Variants: Offers non-round, manhole, handhole, and inner/outer ring only variants.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2011-01-01Nearest Port: Shanghai, NingboAverage Response Time: >24hTerms of Payment: LC, T/T, PayPalInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, Others
AI-Powered supplier vetting
SummaryNingbo Sunwell Sealing Materials Co., Ltd. is identified primarily as a China-based manufacturer of sealing and heat-preservation products, although one record classifies it as a trading company. The supplier reports ISO 9001 certification, more than 10 production lines, 15 million spiral wound gasket pieces and 12 million ring joint gasket pieces in annual output, and 6–10 R&D engineers and quality-control staff. It has reported export activity since 2011, self-operated import/export rights, and exports representing 51%–70% of total sales. The company states that it supports OEM and ODM orders and provides engineering assistance, but the supplied records do not independently verify these claims. Buyer and transaction evidence is limited, and the records provide insufficient information to assess financial strength or after-sales performance. No financial figures are included.
CertificationsThe supplier reports holding ISO 9001 certification. This is explicit evidence of a certified management system and supports a positive assessment for this field.
R&D capabilityThe supplier reports 6–10 R&D engineers and describes itself as engaged in research and development across multiple sealing-product categories. It also offers engineering assistance according to its company description, providing explicit but largely self-reported evidence of innovation capability.
Production capacityThe supplier reports more than 10 production lines and annual output of 15 million spiral wound gasket pieces and 12 million ring joint gasket pieces. It also identifies itself as a manufacturer and reports export operations since 2011, providing explicit evidence of substantial production capability.
Customization capabilityThe supplier explicitly states that it accepts OEM and ODM orders and can provide engineering assistance for customer applications. This directly supports the availability of customization services, although the records do not specify technical scope, tooling capability, or examples of completed customized projects.
Product Q&A
Q:What is the production capacity?
A:
We have an annual production capacity of 4.5 million precision-engineered gaskets and a monthly output of 150,000 PCS.
Q:Do you offer OEM or ODM services?
A:
Yes, we embrace flexibility with both OEM and ODM services tailored to meet specific client requirements.
Q:What types of spiral wound gaskets do you manufacture?
A:
We manufacture all types including CG, CGI, R, and RIR, as well as non-round, manhole, and handhole variants.
Q:Are standard gaskets available in stock?
A:
Yes, we maintain an extensive inventory of standard finished gaskets and regular components ready for prompt shipment.
Q:What certifications does the company hold?
A:
We hold ISO9001:2015, ISO 14000, and ISO 18000 certifications, along with IQC-LQC-FQC-OQC quality controls.
Send Inquiry
*To:
Ningbo Sunwell Sealing Materials Co., Ltd.
Ningbo Sunwell Sealing Materials Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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