
STP Corp.Delaware, United States

Paul Klckner GmbH

Beijing Ji Shi Kai Intelligent Technology Co., Ltd.Beijing Shi, China

Ertek, Inc.California, United States

Thorn Secure Science Ltd.United Kingdom

Xinjiang Railway Survey and Design Institute Co., Ltd.Xinjiang Uygur Zizhiqu, China

Yunnan Xiaguan Tuocha Group Co. Ltd.Yunnan Sheng, China

Qinghai Sixth Road and Bridge Construction Co., Ltd.

Wenzhou Changsheng Electric Power Co., Ltd.

DAESUN Co., Ltd.

Michael Pachleitner Group GmbH

Shenzhen Jiewang Fine Chemical Technology Co. Ltd.