Bangkok Steel Industry Limited (Public Company) founded in 2507 BE manufactures reinforced concrete bars for various types of construction work in government and private sectors. The construction includes foundations, dams, roads, bridges, expressways, airports, electric trains, buildings, etc.

     The company has been developed continuously for over fifty years. Currently, our total productive capacity per year is 600,000 tons. The capacity includes two 25-ton electric arc furnaces, one continuous casting machine, two rolling mills, one spectrometer and one 200-ton tensile testing machine.

     In 2538 BE, Ratchasima Steel Products Co., LTD. was established to expand manufacturing base to the northeast with 500,000 – ton productive capacity per year. In this regard, the low carbon wire rods manufacturing has been increased to support continuous products. Thus, our total productive capacity is 1,100,000 tons per year.

     The significant factors of our quality production involves the board of directors, the knowledgeable and skilled staff at all levels as well as standard production equipment. All these make the steel bar products under BSI and RSM are accepted for product standards and are widely used.