Permsin Steel Works Public Co., Ltd. is engaged in the manufacture, process, and trade of steel products. It operates through the following segments: Distribution of Rolled Steel, Manufacturing and Distribution of Metal Sheet; Manufacturing and Distribution of Steel Pipes; and Roof Installation Service. Its products include hot-rolled and cold-rolled steel sheets, c-channel galvanized steel, t-bar, and roll forming metal sheet. The company was founded on October 22, 1989 and is headquartered in Samut Sakhon, Thailand.