What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

Is OEM or ODM service available?

Yes, both OEM and ODM services are available for this product.

What certifications does the company hold?

The company holds CE certification for its products.

Donhonsil High-Performance Metal Gasket for Industrial Sealing Solutions

Name: Donhonsil High-Performance Metal Gasket for Industrial Sealing Solutions
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2082598512

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

US$0.10

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Metal+Non-Metal

Application

Flanges

Model NO.

XINSEN-SD

Type

Shaft Seal

Performance

Wear

Shape

O-Ring

Standard

Standard, Nonstandard

Inner Ring

304,316,Monel,Alloy20, Uns S32750, CSR

Outer Ring

304,316,Monel,Alloy20, Uns S32750, CSR

Winding

304,316,Monel,Alloy20, Uns S32750, CSR

Filler

Graphite, PTFE, Ceramic, PTFE, Cnaf

Gasket Standard

ASME B16.20, En1514-2, JIS, Hgt

Transport Package

Wooden Carton

Specification

DN15 ~ DN10000

Trademark

XINSEN/DONHONSIL

Origin

China

HS Code

8484100000

Production Capacity

50000000PCS/Year

Key features

Robust Inner Ring Design: Prevents implosion during installation and shields sealing element from harsh temperatures.

Wide Material Selection: Inner/Outer rings available in 304, 316, Monel, Alloy20, and more; Fillers include Graphite, PTFE, Ceramic.

Compliance with Global Standards: Meets DIN 2699, ASME B16.20, EN1514-2, and JIS standards for various applications.

Enhanced Radial Strength: External guide ring fortifies gasket to prevent blowouts and acts as a reliable compression stop.

Versatile Flange Compatibility: Suitable for raised face, flat face, tongue and groove, and male and female flanges.

Corrosion Resistance Options: Outer rings can be carbon steel (painted/zinc-plated) or various alloys for demanding media.

Full Customization Available: Offers full, minor, and flexible customization from samples or designs.

Comprehensive Quality Control: Features random visual and function inspection with traceable raw materials.

Company profile

Fast DeliveryOEM ServicesQuality AssuranceQA/QC Inspectors

Ningbo Dongheng Sealing Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier manufactures industrial sealing products, including spiral wound gaskets, PTFE tape, and PTFE gaskets, from a 4,500 m² facility with three production lines. It offers extensive customization, 3D design, ODM, and OEM services, and reports new products within the past year. Quality-related evidence includes CE certification, ISO 9001:2015 certification, quality assurance, and documented corrective and preventive action procedures. However, complaint handling lacks written records, supplier approval documentation is incomplete, and the factory does not continuously reconcile production quantities or maintain standard outsourcing procedures. The supplier has inventory capability and valid contracts with affiliated subcontractors, but no overseas warehouse, showroom, agents, branches, or overseas service locations. Export activity is reported, with 31%–40% of sales from exports and four years of export experience. Customer evidence includes a 50%–80% repeat-buyer preference, but no Fortune 500...

Supplier typeThe supplier is a manufacturing-oriented industrial equipment and components provider producing spiral wound gaskets, PTFE tape, and PTFE gaskets. It has a 4,500 m² manufacturing plant, three production lines, inventory capability, and valid contracts with affiliated subcontractors, while lacking overseas warehouses, showrooms, agents, and branches.

CertificationsThe supplier reports CE product compliance certification and an ISO 9001:2015 management-system certificate. It also states that quality assurance is present in its quality-control processes, providing explicit certification and quality-system evidence.

R&D capabilityThe supplier provides 3D software design, ODM, and OEM services and reports new products within the past year. It has one R&D engineer and no available SDK, indicating some development capability but limited evidence of broader technical resources.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, flexible customization, and 3D software design services. This establishes broad customization coverage across both design-based and sample-based requirements.