: +8618066321396          :xuran1603@gmail.com           WhatsApp:+8618066321396
precision flange & pipe fittings
Precision Flange 
Pipe Fittings
 
Your Global Manufacturing Partner
 
Powerhouse Production
 
precision stainless steel flange production
The Ultimate Pursuit from
Materials to Craftsmanship
 
Qingshan round steel raw material.
 
Digital production system, full process CNC forging+spectral detection for each piece, and full traceability of each flange from discharge to finished product.
 
flange pipe fittings supplier
Reliable Flanges Pipe Fittings, Trusted Worldwide
手机端
Who Are We?
2010
Established In
10,000 Tons
Annual Output Capacity
16,000 m2
An Area Of
Wenzhou Shangdian Flange & Pipe Fittings was founded in Wenzhou in 2010. It is an intelligent manufacturer of precision flanges and pipe fittings integrating R&D, production, sales and after-sales service.The company owns self-built standardized production workshops equipped with five-axis machining equipment, CNC precision machining machines and full-process physical & chemical testing instruments, realizing the full-chain production covering forging, mechanical processing and finished product inspection.We mainly supply a full range of industrial-grade and sanitary-grade pipeline products including flanges, elbows and tees. We specialize in custom fabrication of special alloys such as duplex steel and Hastelloy to satisfy rigorous working conditions for chemical industry, semiconductor, pharmacy, IDC liquid cooling, nuclear power, shipbuilding and other fields.
Possessing a full set of domestic and international authoritative certifications including TS, ISO9001, CE-PED, EAC and AD2000, we deliver one-stop supporting services from model selection & customization to after-sales maintenance. Our products are sold across China and exported worldwide, winning consistent trust from global engineering customers.
CE
CE
ISO 9001
ISO 9001
ISO14001
ISO45001
ISO 9001
TS2733E31-2030
ISO 9001
ISO 14001
ISO 9001
AD2000

Why Choose Shangdian
Flange & Pipe Fittings ?

High-Volume Flange Manufacturing

10,000+ Tons Annual Output – 100+ CNC Machines | 30 Tons Daily | Bulk Orders Shipped in 15 Days. Mass Production, Zero Deadline Misses.

Globally Certified Expertise

CE | ISO 9001 | GOST-R | PED – Full Compliance with Your Local & International Standards. Certified Quality, Zero Compromises.

Streamlined Global Sourcing

15+ Years Export Mastery – 24/7 Quotes in 48hrs | On-Time Delivery Guarantee. Your Supply Chain, Simplified.

Featured Products

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Flange Solutions, Global Industries

Engineered for oil, pharma, power, and 7+ critical sectors—our custom flanges & pipe fittings meet ASME, EN, DIN, JIS, GB, ISO, and global specs.
Your blueprint, our precision.
DIGITAL SHOWROOM
If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation.

Global Engagements & Industry Trends

Product News
are-stainless-steel-flanges-magnetic-cover.png

Are Stainless Steel Flanges Magnetic? What a Magnet Test Can Tell You

Are stainless steel flanges magnetic? Some are, and a magnet can also attract certain flanges made from nominally non-magnetic grades.

Product News
dual-certified-stainless-steel-flanges-cover.png

Dual-Certified Stainless Steel Flanges: What 304/304L and 316/316L Mean

Your order specifies F316L stainless steel flanges. The quotation offers F316/F316L. Does the additional grade indicate an acceptable supply option, a material substitution, or simply an unclear description?

Product News
weld-neck-flange-bore-pipe-schedule-cover.png

Weld Neck Flange Bore and Pipe Schedule: How to Specify the Right Match

A purchase order specifies a stainless steel weld neck flange: NPS 2, Class 150, raised face. The supplier still asks for the pipe schedule. Why is that information missing from an apparently complete description?

Product News
11.png

Why Do Flanges Leak? 7 Root Causes & Field Repair Solutions

Why Do Flanges Leak? 7 Causes & Field Repair SolutionsDiscover 7 root causes of flange leakage and practical field repair solutions. Prevent repeated leaks in industrial piping systems.1. IntroductionFlange leakage remains one of the most frequent and hazardous failures in industrial piping, pressur

Product News
4d601c55ce6c7699838135ab4a4bd2c6_720.png

Flange Leakage Troubleshooting Checklist

Flange leaks can often be a nightmare for industrial operations, causing safety risks, environmental issues, and costly downtime. However, these leaks are rarely random. They usually stem from identifiable causes and can be avoided or fixed if you know what to look for.

Product News
npt-vs-bsp-threaded-flange.png

NPT vs BSP Threads in Stainless Steel Flanges: How to Avoid a Mismatch

An order for a threaded flange says only “1-inch BSP.” The replacement pipe is marked “1-inch NPT.” Matching nominal sizes do not make these connections interchangeable.

Telephone
+86-180-6632-1396

Quick Links

Products

+8618969712218Contact Info

 
WhatsApp:+8618066321396
Tel: +86-18066321396
E-mail:xuran1603@gmail.com  
Address: No. 505, Binhai 2nd Road, Binhai Industrial Park, Longwan District, Wenzhou City, Zhejiang Province, China

Subscribe To Our Newsletter

Promotions, new products and sales. Directly to your inbox.
​Copyright © 2025 Shangdian Flange Pipe Fittings Co., Ltd. All Rights Reserved. | Sitemap