Premium Duplex & Seamless Stainless Steel Pipes

JIANGSU LIANZHONG METAL PRODUCTS (GROUP) CO., LTD is a leading manufacturer and exporter of high-quality stainless steel pipes, tubes, coils, sheets, and bars based in China. With years of industry experience, we specialize in producing Duplex Stainless Steel Pipes, Seamless Stainless Steel Pipes, and Welded Stainless Steel Tubes that meet international standards including ASTM, AISI, JIS, DIN, EN, and GB.

Our products are widely used across industries such as oil & gas, chemical processing, construction, power generation, food & beverage, and marine engineering. We serve clients globally with reliable supply chains and strict quality assurance protocols.

• ISO9001 Certified Manufacturing
• 16+ Years of Industry Experience
• Exported to Over 50 Countries
• Custom Sizes & Finishes Available

We maintain rigorous quality control throughout every stage of production. From raw material inspection to final packaging, each product undergoes multiple checks to ensure compliance with international standards.

• Raw Material Chemical Analysis
• Dimensional Accuracy Testing
• Hydrostatic & Eddy Current Testing
• Mechanical Properties Verification
• Surface Finish & Visual Inspection
• Final Packaging & Documentation

All test reports and mill certificates are available upon request.