1, Chongqing Zhongyan City Gas Development Co., Ltd., the address is No.48 Jinhu Road, Yubei District, Chongqing.
2. Jiayu Natural Gas Company, No.508 Kailu Road, Chang Qu, Yubei District, Chongqing.
3. Kaiyuan Gas North City Branch, the address is Longji Road 150, Yubei District, Chongqing.