
304L Seamless Stainless Tube Cold Drawn Precision. Customized Dimensions: OD 5-114mm, Wall Thickness 0.3-20mm, Tolerance +/-0.1mm. Multiple Steel Materials: Available in 304, 316, 304L, Carbon Steel, Alloy Steel, Aluminum, SPCC/SPHC/Q235B. Full In-House Testing: Chemical analysis, dimensional checks, eddy-current, hardness & tensile tests. EN10204 3.1 MTC: Material Test Certificate provided with every shipment for full traceability. Flexible MOQ: Supports small-batch orders, prototyping, and rapid size changes for customized production. Trusted by Global Brands: Supplying long-term programs for Gree, Midea, Panasonic, Mitsubishi, Hitachi, Galanz, GAC Group. Experienced Technical Team: Team with 30+ years of tube-making expertise from Guangzhou Iron & Steel Group.