What subsidiaries does Chongqing Construction Engineering Second Construction Co., Ltd. have?

Erjian consists of Project Management Department, North Company, Chengdu Branch, Anhui Branch, Industrial Equipment Installation Branch, Municipal Construction Branch, Material Supply Branch, Tianxing Branch, Mechanical Equipment Leasing Branch, Tianyou Property Branch (holding), Tian Jian Decoration Company (holding), Tianrun Labor Service Company (holding) and Jianke Testing Company (holding). That's all ~ ~