Shenzhen Hekeda Ultrasonic Equipment Co. Ltd.
Qingdao United Innovation Technology Service Platform Co., Ltd.
Jiangsu Yalong Digital Technology Co., Ltd.
Guangzhou Blue Moon Co. Ltd.
Jiangsu Quanzhen Optical Technology Co., Ltd.Jiangsu Sheng, China
Beijing SinoVoice Technology Co., Ltd.Beijing Shi, China
State Grid Shandong Electric Power Company Qihe County Power Supply CompanyShandong Sheng, China
Shan Xi Bei Fang Xing An Hua Xue Gong Ye You Xian Gong SiShanxi Sheng, China
Liuzhou Stone Material Technology Co., Ltd.
Jinan Taixing Fine Chemicals Co. Ltd.Shandong Sheng, China
Ok-soon Lee
Wuxi Compass Machinery Technology Co., Ltd.