China Gas Industry Investment Holdings Co., Ltd., an investment holding company, produces and sells industrial gas in the People's Republic of China. The company provides industrial gas products, which include oxygen, nitrogen, argon, hydrogen and carbon dioxide. It primarily engages in the supply of pipeline industrial gas, as well as liquefied industrial gas (LNG) principally to offsite independent third parties through road tanker delivery; and LNG-related business, which includes the supply of LNG and provision of gas transmission services.