
Industrial Compression Strength Cold Rolled Precision Steel Pipe for Optimal Performance. Full-Chain Manufacturing: End-to-end process 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-tier quality. Wide Material Selection: Carbon steel, stainless steel (201/304/316L), alloy steel, aluminum, and SPCC/SPHC/Q235B available. Flexible Customization: Custom OD 5-114mm, WT 0.3-20mm, and full customization from samples or designs supported. Strict Quality Control: Full in-house testing including chemical analysis, eddy-current, and EN10204 3.1 MTC with every shipment. Trusted by Global Brands: Supplying long-term programs for Gree, Midea, Panasonic, Mitsubishi, Hitachi, and GAC Group. Flexible MOQ: Supports small-batch orders, prototyping, and rapid size changes with negotiable minimums.