G J Steel Public Company Limited manufactures and sells flat-rolled steel products in Thailand. It offers commercial/drawing, structural, pipe, automotive, atmospheric corrosion resistance, and gas cylinder and pressure vessel steel products. The company also provides business consulting and advisory, management, interior, and construction services. In addition, it engages in the hotel, and food and beverage businesses; and wholesale of other machinery and equipment. Further, the company offers financial instruments and trading securities brokerage services, as well as residential real estate trading services. It also exports its products. The company was formerly known as Nakornthai Strip Mill Public Company Limited and changed its name to G J Steel Public Company Limited in June 2008. G J Steel Public Company Limited was founded in 1994 and is headquartered in Bangkok, Thailand.