
Seamless Stainless Tube Manufacturer 304 304L 316L. Full-Chain Manufacturing: End-to-end control from pickling to welding ensures consistent precision and reduced batch variation. GZ Steel Heritage: Technical team with 30+ years of expertise from Guangzhou Iron & Steel Group ensures top quality. Wide Customization Range: OD 5-114mm, Wall Thickness 0.3-20mm with flexible customization from samples and designs. Strict Quality Control: Full in-house testing including chemical analysis, eddy-current, and EN10204 3.1 MTC certification. Trusted by Global Brands: Supply chain partner for Gree, Midea, Panasonic, Mitsubishi, and GAC Group ecosystem. Flexible MOQ Policy: Supports small-batch orders, prototyping, and rapid size changes for customized production. Experienced Manufacturer: Direct factory established in 2003 with 10,000+ sqm facility and 20 years of development.