What certifications do your products have?

Our products are CE certified, ensuring compliance with international quality and safety standards.

Where is your factory located?

Our factory is located in Cixi City, Zhejiang, China, with a plant area of 4500 square meters.

Custom Metal Ring Gasket for Optimal Sealing Flange Gaskets

Name: Custom Metal Ring Gasket for Optimal Sealing Flange Gaskets
Brand: Ningbo Dongheng Sealing Co., Ltd.
SKU: 2075946282

Zhejiang, ChinaNingbo Dongheng Sealing Co., Ltd.

Negotiable

1 Piece

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Material

Metal

Application

Pumps

Model NO.

Xinsen-J

Type

Stationary Seal

Performance

High Pressure

Shape

O-Ring

Standard

Standard, Nonstandard

Transport Package

Wooden Carton

Specification

DN10 ~ DN2000

Trademark

OEM

Origin

China

HS Code

7326901900

Production Capacity

10000000 Per Year

Key features

High-Pressure Sealing: Delivers outstanding high pretension pressure for reliable sealing in valves and cylinders.

Extreme Condition Resistance: Engineered to excel under extreme temperatures, high pressures, and severe corrosiveness.

Premium Material Options: Available in Soft Iron, Carbon Steel, Stainless Steel, and INCONEL for diverse needs.

CNC Precision Manufacturing: Meticulously processed using cutting-edge CNC lathes for exceptional precision and quality.

Multiple Gasket Types: Includes Flat, Oval Ring, Octagonal Ring, RX, and BX metal gaskets for specific applications.

Full Customization Support: Offers full, minor, and flexible customization from samples or designs via OEM/ODM services.

Compact Installation Profile: Designed with a compact profile for seamless fit and easy installation in tight spaces.

CE Certified Quality: Manufactured with strict QA/QC inspection ensuring compliance with CE certification standards.

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: ≤18h

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.