What certifications does the product hold?

The product holds DNV, ISO9001, and SGS certifications.

What is the lead time for production?

Peak season lead time is 6-12 months, while off-season lead time is one month.

What payment terms are accepted?

Accepted payment terms include LC, T/T, and PayPal.

Durable Double Jacket Gaskets for Efficient Heat Exchangers

Name: Durable Double Jacket Gaskets for Efficient Heat Exchangers
Brand: Ningbo Sunwell Sealing Materials Co., Ltd.
SKU: 791566105

Zhejiang, ChinaNingbo Sunwell Sealing Materials Co., Ltd.

US$2.00

5 Pieces

Product profile

Customization

Available

Type

Flat Gasket

Material

Ss304, 316L, Monel, CS, Graphite, PTFE...

Model NO.

SUNWELL 900

Product Name

Heat Exchangers Double Jacket Gasket Djg

Certificate

Dnv ISO9001, SGS

Transport Package

Wooden Case

Specification

Standard, Nonstandard, according your request

Trademark

Sunwell

Origin

Ningbo, China

Production Capacity

150000PCS/Month

Key features

Wide Material Selection: Jackets available in stainless steel, nickel, copper, aluminum, brass, titanium, monel, etc.

Diverse Filler Options: Fillers include expanded graphite, ceramic, PTFE, and other specialized materials.

Handcrafted Construction: Jacketed gaskets are manually made and welded for superior quality and integrity.

Soft Pliable Core: Features a soft, pliable core within a thin metal covering for excellent sealing.

Partition Bar Integration: Partition bars can be incorporated integrally or welded directly into the gasket.

Comprehensive Certifications: Certified by DNV, ISO9001, and SGS for quality assurance.

Versatile Applications: Ideal for heat exchangers, gas mains, boilers, pumps, and valve bonnets.

Flexible Enclosure Design: Metal jacket can totally or partially enclose the filler material as needed.

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.