Permsin Steel Works Public Company Limited is a Thailand-based manufacturer and distributor of steel products. It serves both local and overseas markets. The Company produces and sells cold-rolled coils (CRC), hot-rolled coils (HRC), electro-galvanized steel sheets, roofing and wall color roll forming metal sheets, roofing sheets under the brand Smartruss, c-lines, t-bars and c-channel galvanized high tensile strength. Its products are used as raw materials in many industries, such as furniture, electrical appliance, pipe and automotive industries. It also provides services of cutting and slitting, rolled forming, metal sheet designs and cost estimation. The Company operates a production site in Samutsakhorn province.