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Durable Spiral Wound Gaskets with Inner Ring for Reliable Sealing
US$0.10
5 Pieces
Product profile
Customization
AvailableMaterial
Ss316, 304, 321,347,CS, Graphite...Application
Flange SealModel NO.
SUNWELL-SW600Standard
Standard, NonstandardProduct Name
Spiral Wound GasketsStyle
Mechanical SealShape (for Gasket)
Flat GasketFunction
Rotary SealingColor Code
According The ASME StandardCertificate
Dnv ISO9001,SGSTransport Package
Wooden CaseSpecification
Standard, according your requestTrademark
SunwellOrigin
NingboProduction Capacity
10000000PCS/MonthKey features
Wide Material Selection: Available in SS316, 304, 321, 347, CS, and Graphite.
Customizable Coating: Rings available with or without zinc and powder coating.
High Production Capacity: Monthly output reaches 300,000 pieces.
Versatile Manufacturing Methods: Produced via punching, lathe, or bending and welding.
Comprehensive Size Range: Sizes from 1/2 inch to 24 inches available.
Certified Quality: Holds DNV and ISO9001 certifications.
Flexible Standard Options: Available in both standard and non-standard specifications.
ASME Compliance: Color codes follow ASME standards.
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 materials are available for the spiral wound gaskets?
A:
We offer materials including SS316, 304, 321, 347, CS, and Graphite.
Q:Can the inner and outer rings be customized?
A:
Yes, we provide rings with or without zinc coating and powder coating, and can manufacture them by punching, lathe, or bending and welding.
Q:What is the production capacity per month?
A:
Our production capability is 300,000 pieces per month.
Q:What is the size range for the rings?
A:
We manufacture rings from 1/2 inch to 24 inches in size.
Q:Do you offer standard and non-standard sizes?
A:
Yes, we manufacture all standard sizes and can also produce non-standard sizes.
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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