How long is your delivery time?

For normal products in 7-10 days; For bulk order, in 15-25 days. It depends.

What is the warranty time?

3 years warranty for all of our stainless steel products. Gaskets or the easy broken parts are not included due to the different application for customers.

Can you provide us with the testing report?

Yes, we can provide the required material reports, such as the material certificate, mill certificate, pressure testing report, roughness report, measurement report, and hardness report.

Weld Neck Flange

Name: Stainless Steel OEM/ODM Multi-Type High Precision Threaded/Quick-Fit/Weld Neck Flange
Brand: Zhejiang Zhitong Pipe Valve Technology Co., Ltd.
SKU: 2113024575

Zhejiang, ChinaZhejiang Zhitong Pipe Valve Technology Co., Ltd.

US$10.00

10 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST, BSW

Type

Welding Flange

Model NO.

ZT-FG0003

Material

Stainless Steel

Structure

Flanges

Connection

Welding

Sealing Surface

FF, RF, Rj, FM, M, T, G, etc.

Manufacturing Way

Forging

Production Period

in 15-60 Days Upon Order Quantity

Payment Term

LC, T/T, Western Union, Small-Amount Payment

Closest Port for Shipment

Ningbo

Aftermarket

1 Year

Package

Cartons, Pallet, Cases

Transport Package

Cartons, Pallet, Cases

Specification

DN 10 - DN 2000-----1/2"- 48"

Trademark

Origin

China

HS Code

7307210000

Production Capacity

2000

Key features

Comprehensive Certification: ISO 9001, CE, PED certified with proprietary import-export rights and design patents.

Extensive Customization: Factory accepts custom drawings and offers design suggestions for specialized projects.

Wide Material Range: Available in 304, 316, 316L, Duplex, and other stainless steel grades per ASTM/ASME.

Superior Corrosion Resistance: Engineered for harsh environments including petrochemical, oilfield, and wastewater treatment.

High Pressure Capability: Pressure ratings from 150# to 2500# and PN0.6 to PN400 for diverse industrial needs.

3-Year Quality Warranty: Comprehensive 3-year warranty on stainless steel products excluding gaskets and fragile parts.

24/7 Technical Support: Professional engineering team provides online and on-site support with 24-hour response.

Rigorous Quality Control: Multi-stage inspection using PMI analyzers, pressure testers, and dedicated laboratory testing.

Company profile

Full CustomizationStandardized quality controlFast DeliveryImporters and Exporters

Zhejiang Zhitong Pipe Valve Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-08-08Nearest Port: NINGBO, SHANGHAI, TIANJINAverage Response Time: ≤1.30hTerms of Payment: LC, T/T, Western Union, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 78 employees, operating in hardware, fasteners, steel processing, molds, forgings, powder metallurgy, metal materials, and import/export. It reports substantial production across stainless steel flanges, steel valves, stainless steel pipes, and pipe fittings, serves export markets across multiple regions, and holds an import/export license. Quality and management evidence includes ISO9001:2015, ISO45001:2018, ISO14001, and CE certification. The supplier supports OEM, ODM, and broad customization, with documented inspection and complaint-handling procedures. However, it reports no new products in the past year, no SDK, no overseas warehouse, showroom, agents, branches, or offline trade-show participation. Financial information is represented only by years rather than substantive performance figures, so financial credibility cannot be determined. Customer-case evidence is limited to OEM service for popular brands.

Supplier typeThe supplier is a limited company with no reported parent group or affiliated company. Its stated scope covers hardware products, fasteners, steel rolling, molds, forgings, powder metallurgy, metal materials, and import/export activities, indicating a manufacturing and trading profile.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, along with CE product-certification capability. These provide explicit evidence of quality, occupational safety, environmental, and product-compliance credentials.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, and reports in-stock service capability. However, it has no overseas warehouse, showroom, agents, branches, or stated overseas service countries, limiting evidence of localized after-sales coverage.

Production capacityThe supplier lists CNC, hydraulic press, automatic pipe cutting, and sawing equipment; reports specific output for flanges, valves, pipes, and fittings; maintains valid manufacturing contracts with associated subcontractors; and holds an import/export license. These records explicitly support established production and export capability.

Customization capabilityThe supplier explicitly offers customization from samples, designs, minor customization, full customization, and flexible customization, and also reports OEM and ODM services. This is direct evidence of broad product customization capability.

Client casesThe supplier states that it provides OEM services for popular brands, which is evidence of experience serving recognized-brand customers. No specific customer names, project details, volumes, or references are provided, so the breadth and verifiability of customer cases remain limited.

Product Q&A

Q:Are you a trading company or factory?

We are a manufacturer boasting 15 years of industry experience and holding proprietary import-export rights.

Q:May I request free samples?

Free samples can be provided for first cooperation under sincere cooperation.

Q:What certifications do you have?

Yes, we hold ISO, CE, and PED certificates. In addition, we possess a number of design patents and a Special Equipment Manufacturing License.

Q:How do you control the quality?

In quality control, the most critical aspect is preventing material mix-ups. Our factory has installed multiple spectroscopic PMI analyzers in the raw material warehouse, production workshop, and dispatch area. Equipment such as pressure testing machines, PMI analyzers, RA roughness testers, and hardness testers all contribute to ensuring quality. Additionally, we have our own laboratory and can provide extra test data for special products. During the production process, dedicated inspectors con

Q:If there is any quality problem, how do you solve it?

We believe that protecting our clients' interests is the cornerstone of our business. While we cannot guarantee 100% perfection, occasional quality issues may still arise. Depending on the specific situation, we typically resolve such cases through replacements, compensation, or resending goods. The specific solution will be discussed and agreed upon with the customer based on the actual circumstances.