KOATSU GAS KOGYO CO., LTD. is a Japan-based company involved in the gas and chemical business. Along with its subsidiaries and associated companies, the Company operates in three business segments. The Gas segment is engaged in the purchase, manufacture and sale of high pressure gas including dissolved acetylene gas, oxygen, nitrogen, argon gas and carbon dioxide gas, as well as liquefied petroleum gas (LPG), which are used in construction works, bridge works, shipbuilding and machinery. This se...