Durable Welded Steel Pipe for Reliable Industrial Applications

Zhongtian is a professional manufacturer in China specializing in Thin Wall Rectangular and Square Steel Tubes. These are cold-formed hollow steel sections with a standard wall thickness of ≤3 mm, and ultra-thin wall tubes with a wall thickness of less than 1.0 mm. The products are made from high-quality Q235B and Q355B steel, using high-frequency resistance welding and cold bending processes, and conform to standards such as GB/T 6728 and ASTM A500. As a trusted supplier, Zhongtian provides stable quality and customized solutions to global customers.