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Wenzhou BJ Stainless Steel Co., Ltd. is a trusted manufacturer, exporter, and supplier of high-quality stainless steel pipes, tubes, fittings, flanges, and valves. Serving global industries with precision, durability, and reliability.

Industrial Stainless Steel Pipes Sanitary Tube Production Pipe Fittings and Flanges

About Wenzhou BJ Stainless

Wenzhou BJ Stainless is a dynamic new entity formed by industry veterans with decades of experience in the metal and stainless steel sector. Based in Wenzhou City — the renowned stainless steel manufacturing hub of China — we are strategically positioned to serve clients across the globe.

As a full-service manufacturer, exporter, and supplier, we specialize in a comprehensive range of stainless steel products including industrial seamless and welded pipes, sanitary tubing, pipe fittings, flanges, and valves. Our mission is to deliver products that not only meet but exceed customer expectations in terms of quality, performance, and reliability.

Global
Serving International Markets
30+
Years Industry Experience
100%
Quality Inspected
Learn more about our products →
Factory and Production Line

Our Products

We offer a wide range of stainless steel products engineered for industrial, sanitary, and structural applications. Each product is manufactured with precision and tested for durability, corrosion resistance, and performance.

Industrial Seamless Pipe

Industrial Seamless Pipe

High-strength seamless pipes ideal for high-pressure environments. Used in petrochemical, oil & gas, and power generation industries.

  • Material: 304, 304L, 316, 316L, 321, etc.
  • Standards: ASTM, ASME, DIN, JIS
  • Diameter: 6mm – 630mm
  • Thickness: SCH5S to SCH160
Welded Pipe

Welded Pipe

Precision-welded stainless steel pipes for general industrial use. Cost-effective and available in long lengths.

  • Material: 304, 304L, 316, 316L
  • Standards: ASTM A312, A778
  • Diameter: 1/2" – 48"
  • Surface: 2B, BA, No.4
Sanitary Tube

Sanitary Tube

Electropolished tubes designed for food, beverage, pharmaceutical, and biotech applications requiring high hygiene standards.

  • Material: 304, 316L (low carbon)
  • Standards: ISO, DIN, 3A, SMS, IDF
  • Diameter: 1/2" – 6"
  • Finish: Ra ≤ 0.8 μm
Pipe Fittings

Pipe Fittings

Seamless and welded fittings including elbows, tees, reducers, and caps. Ideal for pipeline connections and system integration.

  • Type: Butt-weld, Socket weld, Threaded
  • Material: 304, 316, 321, 347
  • Size: 1/2" – 48"
  • Standards: ASME B16.9, B16.11
Flanges

Flanges

Forged and plate flanges for secure pipe connections in high-pressure and high-temperature systems.

  • Type: Weld Neck, Slip-on, Blind, Lap Joint
  • Pressure: 150# – 2500#
  • Material: 304, 316, F316L, etc.
  • Standards: ASME B16.5, B16.47
Valves

Valves

Stainless steel ball, gate, globe, and check valves for precise flow control in industrial and sanitary systems.

  • Type: Manual, Actuated, Sanitary
  • Size: 1/2" – 24"
  • Material: SS304, SS316, CF8M
  • Standards: API, ISO, DIN
Structural Tubing

Structural Tubing

Square, rectangular, and round tubes for architectural, construction, and mechanical applications.

  • Material: 304, 316, 201
  • Shape: Round, Square, Rectangular
  • Finish: No.1, No.4, 2B, BA
  • Applications: Handrails, Frames, Supports
Heat Exchanger Tubes

Heat Exchanger Tubes

Precision tubes for heat transfer systems in power plants, refineries, and HVAC applications.

  • Material: TP304H, TP316H, TP321H
  • OD: 12.7mm – 50.8mm
  • Wall: 1.2mm – 5.0mm
  • Standards: ASTM A213, A269

Why Choose BJ Stainless?

We combine decades of industry expertise with modern manufacturing to deliver unmatched value, quality, and service.

1

Exquisite Craftsmanship

Every product is manufactured with precision and attention to detail, ensuring consistency and performance.

2

Dedicated Service

Our team provides personalized support from inquiry to delivery, ensuring a seamless experience.

3

Fast Delivery

Rich inventory and efficient logistics ensure prompt shipment and on-time delivery worldwide.

4

Quality Assured

All products undergo rigorous testing and inspection to meet international standards and customer specs.

50+
Countries Served
10,000+
Tons Annual Output
99.8%
Customer Satisfaction
24h
Response Time

Industry News

Stay updated with the latest trends and market insights in the stainless steel industry.

Market Update

Scrap Steel in China: Prices May Peak as Futures Fall

February 20, 2023

Industry sources told Fast Market that on Friday, March 5th, China's iron and steel futures plunged and spot prices dropped sharply, causing buyers to stay away from the import market. This volatility may signal a peak in scrap steel prices, with downward pressure expected in the coming weeks.

Get in Touch

For inquiries, quotes, or technical support, reach out to us directly.

📞 Phone: +86 18858728157
✉️ Email: [email protected]
📍 Address: Yonghui Road, Longwan District, Wenzhou City, China

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