Towngas Smart Energy Co. Ltd. is an investment holding company engaged in the sale and distribution of piped gas. The company employs 21,677 full-time employees The company went IPO on 2005-12-08. The firm operates through three segments. The Gas Business segment primarily engages in the sales of piped gas and other gas-related energy, construction of gas pipeline networks under gas connection contracts and sales of gas-related household appliances and related products and other related value-added services. The Renewable Energy Business segment primarily engages in the sales of renewable energy, as well as other related energy and services. The Extended Business segment is primarily engaged in sales of gas-related household appliances and related products, and other related value-added services.