Jiangmen Chancsun Umicore Industry Co. Ltd.
Shenzhen Qianhai Techen Technology Co Ltd.
Wuhan Geological Resources and Environment Industrial Technology Research Institute Co., Ltd.Hubei Sheng, China
Huangshi Jusheng Heavy Auto Parts Co., Ltd.Hubei Sheng, China
Hefei Yikun Precision Technology Co., Ltd.
Jiangsu Gongde Technology Co., LtdJiangsu Sheng, China
Prior Corp.
Shanghai Honggong Machinery Technology Co., Ltd.
Invertech Pvt Ltd.
Pierburg Instruments GmbH
Shandong Alliance Special Equipment Co., Ltd.
Cox Manufacturing Co., Inc.