E-Tech Energy Technology Development Co., Ltd.
Beijing Zhongke Risheng Technology Co., Ltd.Beijing Shi, China
Polycore Software, Inc.
MeSince (Beijing) Digital Technology Co., Ltd.Beijing Shi, China
Dalian Dakai Sewage Treatment Co., Ltd.Liaoning Sheng, China
Wah Wang Optoelectronic(Shenzhen)Co.,Ltd.Guangdong Sheng, China
Thielen Feinmechanik GmbH & Co. KGGermany
Yiwu Ziying Machinery Technology Co., Ltd.Zhejiang Sheng, China
Shanghai Nano Biotechnology Co., Ltd.Shanghai Shi, China
Guangzhou Lianxiang Auto Products Co., Ltd.Guangdong Sheng, China
Chuzhou Ruilin Packaging Materials Co., Ltd.
Shenzhen Yidasi Intelligent Sanitary Ware Technology Co., Ltd.