1.Xi An liquefied gas tank is sold at No.338 North Chang 'an Street, Chang 'an District, Xi City, ShaanXi Province. The address is Xi Chang 'an Chang 'an Natural Gas Co., Ltd., and its business scope is the demonstration of the construction scheme of natural gas city gasification project, including the wholesale and retail of gas equipment and appliances including liquefied gas tanks, industrial kiln equipment and accessories, and the recharge of natural gas cards.

2. An LPG tank is sold at No.85, the middle section of Kunchi Road, Yanta District, Xi City, Shaanxi Province. The address is the business hall of Kunchi Road, natural gas in the city, mainly engaged in the supply of urban pipeline natural gas and liquefied petroleum gas and related services, including the production, operation, maintenance, repair, material trade, gas engineering design, gas meters, etc. of gas facilities including liquefied petroleum gas storage tanks.