Taiyuan City Compulsory Isolation Drug Rehabilitation Center 100% Shanxi Jin Shengtong Material and Trade Co. 100% Taiyuan Qianhui Construction Engineering Co. 2 Jin Rui Tong Shanxi Jin Rui Tong Material and Trade Co. 100% Path 1 (accounting for approximately 100%) Taiyuan City Compulsory Isolation Drug Rehabilitation Center 100% Shanxi Jin Shengtong Material.