Is there an extra charge for special shapes?

Additional charges may apply for mold preparation, but we can save costs if prepared molds exist.

What are the payment terms?

We accept LC, T/T, and PayPal as terms of payment.

What is the lead time for production?

Lead time is one month during off-season and 6-12 months during peak season.

Durable High-Quality Spiral Wound Gaskets for Industrial Needs

Name: Durable High-Quality Spiral Wound Gaskets for Industrial Needs
Brand: Ningbo Sunwell Sealing Materials Co., Ltd.
SKU: 792178685

Zhejiang, ChinaNingbo Sunwell Sealing Materials Co., Ltd.

US$2.00

2-4 Pieces

US$1.00

5+ Pieces

Product profile

Customization

Available

Application

Pumps

Type

Stationary Seal

Model NO.

SUNWELL-SW630

Performance

Temperature

Shape

O-Ring

Standard

Standard, Nonstandard

Product Name

Non Rounded Spiral Wound Gaskets

OEM

Yes

Characteristic

Dnv ISO9001,SGS

Transport Package

Wooden Box

Specification

Standard Nonstandard according your request

Trademark

SUNWELL

Origin

China

Production Capacity

300000piece/Month

Key features

Special Shape Options: Available in oval and oblong styles for boilers handholes and manholes.

Custom OEM Service: OEM support available with custom product naming and specifications.

High-Quality Materials: Constructed with AISI 316 winding and graphite filler for durability.

Certified Manufacturer: Products certified with DNV, ISO9001, and SGS standards.

Flexible Ordering: Accepts custom dimensions (A*B, b, s) and drawings for non-standard needs.

Cost Saving Molds: Saves additional charges if prepared molds are available for special shapes.

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.