The company, formerly known as Shanghai Lianhua Synthetic Fiber Co., Ltd., was approved by the Shanghai Economic Commission (92) 292 in April 1992 and was restructured and established by a Sino-foreign joint venture using a public offering method. The company was listed on the Shanghai Stock Exchange on October 13, 1992. The company's main business is management and related consulting for new energy enterprises; natural gas development, utilization and consulting services; gas management: natural gas and ethanol sales pipeline transportation services; gas storage facility leasing services; development, construction, operation, management, heating system technical consulting and maintenance of centralized heating projects; production, processing and sales of natural gas stoves and instruments; information technology development and consulting services; import and export: import and export of the above business projects. The company's main products include long-term transportation networks, urban gas, gas sales, hydroelectric peak control, and new energy.