Union Rich Development Corp.
Tianjin Changrui Datong Fluid Control System Co., Ltd.
Wenzhou Sanyi Optical Industry Co. Ltd.
Hangzhou Waxing Intelligent Technology Co., Ltd.
Shengli Oilfield Testing and Evaluation Research Co., Ltd.
Dbt Automation Gmbh
Chongqing Xike Water Transportation Engineering Consulting Co., Ltd.
Chengdu Baimei Yide Biotechnology Co., Ltd.
Luohe Tianlong Chemical Product Co. Ltd.
Shanghai Biaoyi Valve Co. Ltd.
Guizhou Construction Engineering Group First Construction Engineering Co., Ltd.
Jiangsu Oumei Steel Structure Curtain Wall Co. Ltd.