Guangdong Jiucai New Materials Co., Ltd.Guangdong Sheng, China
Chongqing Yizhu Machinery Manufacturing Co., Ltd.Chongqing Shi, China
Quatek Co. Ltd.
Mi-Jung KimSouth Korea
Dongguan Guanhe Optical Glass Co., Ltd.Guangdong Sheng, China
Hunan Jie Innovative Materials Co., Ltd.Hunan Sheng, China
New Nuoya Zhou Technology(Shenzhen)Co.,Ltd.
Standard GasSerbia
Huzhou Hengxin Metal Product Co. Ltd.Zhejiang Sheng, China
Nikko Kogyo KK
Shandong Yuangen Petrochemical Co., Ltd.Shandong Sheng, China
Suzhou Weixinfeng Medical Technology Co., Ltd.Jiangsu Sheng, China