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BNJIS Logo

Premium Stainless Steel & Nickel Alloy Manufacturing

High Quality, Reliable Supplier Since 1999 | ISO 9001, PED, AD2000 Certified

About BNJIS

A trusted manufacturer of stainless steel and nickel alloy products since 1999, delivering high-quality piping solutions worldwide.

Zhejiang Bnjis Stainless Steel Co., Ltd

We are a leading manufacturer and large-scale enterprise specializing in the production and sale of nickel alloy and stainless steel pipes, tubes, and pipe fittings. Since our inception in 1999, BNJIS has been providing seamless and welded piping and tubing solutions to customers across various industries globally.

Our product range includes austenitic, super austenitic, duplex, super duplex, ferritic, martensitic, and precipitation-hardening stainless steel pipes, along with high-temperature alloy steel pipes in diverse materials and specifications.

+ Read More About Our Products →
+1120
Projects Completed
24K+
Annual Output (Tons)
487
Employees
95%
Export Rate

Certified Quality Assurance

Our manufacturing processes meet international standards and are backed by rigorous testing and certifications.

PED Certification

PED 79/23/EC & AD2000

Certified by TUV for pressure equipment compliance in Europe.

ISO Certificates

ISO 9001:2008

Quality Management System certified for consistent product excellence.

Product Catalogue

AAA Credit Rating

Recognized creditworthiness by Bank of China for business reliability.

Our Products

Comprehensive range of stainless steel and nickel alloy pipes, tubes, bars, and fittings for industrial applications.

Seamless Stainless Steel Pipe

Seamless Stainless Steel Pipe

High-pressure resistant seamless pipes ideal for oil & gas, chemical, and power industries.

Seamless
Welded Stainless Steel Pipe

Welded Stainless Steel Pipe

Precision-welded pipes with excellent corrosion resistance for structural and industrial use.

Welded
Heat Exchanger Tube

Shell & Tube Heat Exchanger Tube

Designed for efficient thermal transfer in petrochemical and HVAC systems.

Heat Exchanger
Nickel Alloy Pipe

Nickel Alloy ASME SB-167 UNS N06690

High-performance alloy for extreme environments in nuclear and aerospace sectors.

Nickel Alloy
Sanitary Pipe & Tube

Sanitary Stainless Steel Pipe

Smooth interior finish for food, beverage, pharmaceutical, and biotech applications.

Sanitary
Thick-walled Pipe

Seamless Thick-walled Pipe

Engineered for high-pressure vessels and mechanical structural applications.

Thick-walled
U-Tube

U-Tube Stainless Steel

Pre-bent U-shaped tubes for compact heat exchangers and condensers.

U-Tube
Coil Tube

Extra Long U-Shaped Coil Tube

Continuous coiled tubing for efficient installation in tight spaces.

Coil Tube
Square Tube

Stainless Steel Square Tube

Structural square tubing for architectural, automotive, and industrial frameworks.

Square Tube

Why Choose BNJIS?

Industrial Expertise

25+ years of experience in stainless steel and alloy manufacturing.

Global Certifications

ISO 9001, PED, AD2000, OHSAS, and AAA credit rating compliance.

Worldwide Export

95% of production exported to Europe, North America, and Asia.

Advanced Machinery

State-of-the-art production and testing equipment for precision.

Get in Touch

Reach out to us for product inquiries, technical support, or partnership opportunities.

info@bnjis-stainless.com
+86-577-86800802
Wenzhou, Zhejiang, China
Mon - Sat: 9:00 AM - 6:00 PM

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