BioEnergy & PetroChemical Co.,Ltd. Our company concentrate in drilling chemical supply in Thailand and South East Asia. " Not only our product has the best quality, but also our price is competitive " Bio Energy and Petro Chemical Co.,Ltd. (BEPC) is Thai company. We are the manufacturer and distrubutor company which can supply Oil & Gas Drilling Chemical in Thailand and S/E Asia such as Barite(BaSO4)/ Barium Sulphate Drilling Grade and ChemicalGrade , Oil Well Cement Class G API10A ...