Tel：023-85531882

Fax：023-63430888

E-mail：cqest@cqest.cn

Office address：Room 1803, Rongke Jinkai Center, Yuanyang Sub-district, Liangjiang New Area, Chongqing

Plant address：Unit B, Building 1, Zone A, Standard Plant, Shuangfu Industrial Park, Jiangjin District, Chongqing