WD Beteiligungs GmbH
Shenzhen Zhongchengda Applied Materials Technology Co., Ltd.Guangdong Sheng, China
RadioWave.com, Inc.
Jiangsu Kunyee Environmental Engineering Co., Ltd.Jiangsu Sheng, China
Beihai Goldsmiths Cement Products Co., Ltd.
DIA Co. Ltd.Japan
SpringPower Technology (Shenzhen) Co., Ltd.
Wittenborg AS
Daiichi Kasei Sangyo Co. Ltd.
Guangzhou Southern Power Group Electric Apparatus Co. Ltd.Guangdong Sheng, China
Sichuan Yumeng Photoelectric Technology Co., Ltd.
Innovation and Innovation Center of State Grid Jiangsu Electric Power Co., Ltd.Jiangsu Sheng, China