Are standard gaskets available in stock?

Yes, standard finished gaskets and regular components are available in stock.

What certifications does the company hold?

We are ISO9001:2015, ISO 14000, and ISO 18000 approved.

How are the rings manufactured?

Rings are made by punching, lathe machining, and bending with welding depending on material and cost.

Durable Inner and Outer Ring Spiral Wound Gasket Set

Name: Durable Inner and Outer Ring Spiral Wound Gasket Set
Brand: Ningbo Sunwell Sealing Materials Co., Ltd.
SKU: 698665485

Zhejiang, ChinaNingbo Sunwell Sealing Materials Co., Ltd.

US$0.05

1,000 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Ss304, Ss316, Ss316L, CS etc

Shape

O-Ring

Model NO.

SUNWELL-SWR640

Standard

Products Cost

Inner and Outer Ring for Spiral Wound Gasket

Thickness

2,3mm

Transport Package

Wooden Case

Specification

Standard, ASME. DIN. JIS etc

Trademark

SUNWELL

Origin

China

HS Code

84841000

Production Capacity

1000000PCS

Key features

Annual Production Capacity: 4.5 million gaskets annually with 300,000 PCS monthly output.

Material Options: Available in SS304, SS316, SS316L, CS, and other materials.

Size Range: Inner and outer rings available from 1/2'' to 24''.

Certification Standards: ISO9001:2015, ISO 14000, and ISO 18000 approved.

Customization Services: OEM and ODM services accepted with customized thickness options.

Surface Treatment: Options include zinc coating, powder coating, and grooving.

Manufacturing Methods: Produced via punching, lathe machining, and bending with welding.

Stock Availability: Standard finished gaskets and regular components kept in stock.

Company profile

Ningbo Sunwell Sealing Materials Co., Ltd.

Zhejiang, China

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.