Is Shenzhen Gas a State-owned Enterprise or a Central Enterprise?

State-owned enterprises Shenzhen Gas Group Co., Ltd. is a large state-owned listed company and a national high-tech enterprise, focusing on urban gas management, and developing gas resources, comprehensive energy and intelligent services in a coordinated manner. Founded in 1982, the enterprise was transformed into a Sino-foreign joint venture in 2004 and successfully listed on the Shanghai Stock Exchange in 2009.