SHH STEEL offers GB/T 6728 cold formed steel hollow section profiles. GB/T 6728 specifies welded square/rectangular tubes for construction and engineering. Lightweight, certified quality, competitive prices, customizable. Trust SHH STEEL!
GB/T 6728 Steel Structural Profiles
Steel Hollow Section Profiles
SHH STEEL, a top Steel Hollow Section Profiles exporter, produces and exports steel hollow section profiles for columns and frameworks. Our products, like ASTM A500, offer strength and versatility. With a 5,000-ton inventory, we deliver in 3–5 days, backed by SGS/TUV inspections and mill certificates. Trust SHH STEEL for square steel profiles and custom solutions for construction.
