
Guangdong Longteng Electromechanical Co., Ltd.

Tianjin Ruilin Heavy Machinery Co., Ltd.Tianjin Shi, China

Tianjin Nailes Technology Co., Ltd.Tianjin Shi, China

Guangdong Salt Industry Group Guangzhou Co., Ltd.Guangdong Sheng, China

Peking University Hospital of Stomatology

Guizhou Jiaying Technology Co., Ltd.Guizhou Sheng, China

Wuxi Weida Chemical Co. Ltd.

Drylet, Inc. (Texas)Texas, United States

Hangzhou Zheda Tianyuan Technology Co.,Ltd.Zhejiang Sheng, China

M G O Corp.United States

RWO Marine Equipment LtdEssex, United Kingdom

Jiangsu Zhende Electric Power Equipment Co., Ltd.Jiangsu Sheng, China