Chow Steel Industries Public Company Limited, together with its subsidiaries, primarily engages in the production, tolling, sale, and distribution of steel billets in Thailand and internationally. The company operates through Original Equipment Manufacturer (OEM), Trading of Steel Business, Investment in Renewable Power Plant Business, Consultancy on Investment Related to The Renewable Energy Business, and Other Business segments. The company's billets are used in the production of round bars, deformed bars, and wire rods. It is also involved in the generation and distribution of electricity from renewable energy sources, such as solar power plants; distribution of renewable energy power plant projects; and distribution of equipment related to the construction of renewable energy power plants. In addition, the company designs, distributes, and installs renewable energy power generation systems; invests in renewable power generation and distribution business; and provides personal loans and nano finance. Chow Steel Industries Public Company Limited was founded in 2003 and is headquartered in Bangkok, Thailand.