Tianjin Jinran Public Utilities Company Limited sells piped natural gas in Mainland China. It operates through segments including sales of piped natural gas, gas connection, gas transportation, sales of gas appliances and others, and gas pipeline rental. The company also engages in the sale and installation of gas appliances, pipeline grid connection, gas transportation, pipeline leasing, and the operation and management of gas pipeline infrastructure, as well as the lease of self-owned buildings and facilities of gas stations. It additionally provides technology promotion and application services and is involved in mining and non-ferrous metal mining and processing. Formerly known as Tianjin Tianlian Public Utilities Company Limited, it changed its name in June 2012 and is headquartered in Tianjin, the People's Republic of China. It is a subsidiary of Tianjin Gas Group Co., Ltd.