How is quality controlled?

We perform 100% inspection including visual and functional checks, and each piece has a quality warranty.

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We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

High-Quality S304/316L Stainless Steel Flange

Name: High-Quality S304/316L Stainless Steel Flange
Brand: Zhejiang Haisheng Jinhuan Machinery Co., Ltd
SKU: 2250456665

Zhejiang, ChinaZhejiang Haisheng Jinhuan Machinery Co., Ltd

US$3.45-6.50

10 Pieces

Product profile

Customization

Available

Type

Forging Ring

Material

Carbon Steel/Alloy Steel/Stainless Steel

Model NO.

Forging Ring

Technics

Forged

Standards

ANSI, ASTM API5l, GOST, DIN and JIS, etc.

Customized

Wt

Sch5s~Sch160s, Xxs

Special Fuction

High-Pressure Resistant;Corrosion-Resistant

Diameter

1/2"-158"

Compressive Strength

Cl150-Cl2500

Transport Package

Wooden Cases or Pallet

Specification

100mm-4000mm

Trademark

Origin

China

HS Code

7307230000

Production Capacity

50000

Key features

Customizable Material: Available in 304, 316L, 321 stainless steel with special options.

Wide Size Range: Sizes from DN300 to DN1000, fully customizable to client needs.

High-Pressure Resistance: Designed for high-pressure conditions with SCH10S to SCH160 grades.

Forging Process: Manufactured using forging and annealing treatment for durability.

OEM/ODM Services: Full customization available from samples or drawings.

Quality Certifications: ISO9001:2008 certified with Manufacturing License for Special Equipment.

100% Inspection: Every product undergoes visual and functional inspection before shipment.

Company profile

Zhejiang Haisheng Jinhuan Machinery Co., Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Full Customization, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Ningbo/Shanghai PortAverage Response Time: >24h

AI-Powered supplier vetting

SummaryThe supplier is a combined manufacturing and trading business covering ship parts, building materials, forgings, flanges, valves, pipe fittings, mechanical parts, and related products. It identifies as a professional technical supplier, provides sample-based, full, and flexible customization, and offers ODM and OEM services. Production evidence includes six production lines, six quality inspectors, documented finished-product inspection instructions, and 19 years of export experience. However, it does not provide 3D software design, has not introduced new products in the past year, and lacks inventory, overseas warehouses, overseas showrooms, overseas agents or branches, and offline trade-show experience. Quality procedures exist, but supplier approvals lack signatures or dates, corrective-action records are absent, and production batch quantity reconciliation and outsourcing SOPs are not established. Financial data is referenced for recent years, but credibility cannot be assessed from the provided...

Supplier typeThe supplier is explicitly described as a professional technical supplier and a combined company. Its stated scope covers manufacturing and sales of ship parts, building materials, mechanical parts, steel pipes, forgings, flanges, valves, pipe fittings, and related industrial products, together with import and export activities.

R&D capabilityThe supplier provides ODM services and identifies R&D capability for a professional technical supplier, but it does not provide 3D software design, has no available SDK, and reported no new products during the past year. This demonstrates design-manufacturing service capability but a clear limitation in recent product innovation and digital design support.

Production capacityThe supplier reports six production lines, six quality assurance and quality control inspectors, documented and uniformly followed finished-product inspection instructions, and 19 years of export experience. Production-control weaknesses include no valid manufacturing-capacity contract with related subcontractors, no ongoing batch quantity reconciliation, and no outsourcing SOP.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, and flexible customization, and also provides ODM and OEM services for popular brands. These repeated statements directly support broad customization capability, although the absence of 3D software design and SDK support may limit certain digital design workflows.