Ammonia , Argon, Arsine , Boron Trichloride , Boron Trifluoride, Carbon Dioxide , Carbon Monoxide , Chlorine , Deuterium Foshan Huate Gas Co., LtdFoshan Huate Gases ... in various categories of special gases with applications in welding, laser , lighting, semiconductor, ultra pur , calibarion, medical and foods , etc, we ...