Our company located at Weifang city, Shandong province, China. We mainly supply below productions: 1.High purity industrial gas: helium, argon, acetylene,hydrogen, propane, oxygen, nitrogen, co2, co, so2, sf6. 2. Electrical gas, standard gas and all kinds of mixed gases. 3. Medical gas: oxygen, nitrous oxide gas, medical mixed gas 4. Gas cylinder, storage tank, cylinder rack, ISO tank, acetylene plant, oxygen plant, filling pump, vaporizer. 5. All kinds of accessories for gas equipments and piping projects.