Optec DAI Ichi Denko Co. Ltd.
Hunan Yunjin Group Co. Ltd.
Tianjin Kress Gas Equipment Co., Ltd.Tianjin Shi, China
Changsha Weiyi Paint Co., Ltd.Hunan Sheng, China
Polares Medical, Inc.United States
Guangdong Tairi Elevator Co., Ltd.
Kaiping Gold Medal Shaitary Ware Co. Ltd.Guangdong Sheng, China
Suzhou Yinbei Textile Co., Ltd.Jiangsu Sheng, China
Chengdu Precision Optical Engineering Research Center
Guizhou Southwest Pipe Industry Co., Ltd.
Henan Linuo Biochemical Co., Ltd.
Tetuo (Qingdao) Tire Technology Co., Ltd.Shandong Sheng, China