Yantai Dawei Environmental Protection Technology Co., Ltd.Shandong Sheng, China
Dongguan Boshi Electronic Technology Co., Ltd.Guangdong Sheng, China
Hangzhou Xiaoshan Changyu Hardware Machinery Co., Ltd.Zhejiang Sheng, China
Huizhou Dejulian Information Technology Co., Ltd.Guangdong Sheng, China
E-Seismic Solutions LLC
Anhui Huakai Light Industry Technology Co. Ltd.Anhui Sheng, China
Beijing Jinmaijie Technology Co., LtdBeijing Shi, China
Changshu Shenli Machine Manufacturing Co. Ltd.
Proton Network Technology Co., Ltd.Anhui Sheng, China
Wuxi Pinjia Technology Co., Ltd.
Shaanxi Coal Group Yulin Chemical Co., Ltd.Shaanxi Sheng, China
Sansei Co., Ltd. (Tokyo)