Rungsuphakij Co., Ltd, founded in 1998, aims to produce the waste water treatment tank and water storage under the name, "Befit", which are distributed with full installation, consultation, and post-sale services for small to large businesses and households. Our experts with more than 10 years of experience in the waste water treatment guarantee the quality of the production of Befit products in every detail to meet International Standard with top quality materials and state of the art machineries at a reasonable price. All parts are produced internally by Befit. Therefore, our cost, quality, and production capacity are beyond competitive in the market.