Marko Materials, Inc.
Evonik Degussa Japan Co., Ltd.
Suzhou Fufeng Technology Co., Ltd.Jiangsu Sheng, China
Yichuan Dongfeng Abrasives Co. Ltd.
Maletti SpAReggio Emilia, Italy
Solvay Special Chem Japan Ltd.Japan
Zhangjiagang Wuzhou Transformer Co. Ltd.
Jiangsu Jinshikang Electrical Technology Co., Ltd.Jiangsu Sheng, China
Dongguan Humen Taida Electronics Co. Ltd.
Qinzhou Spark Plan Office
Xinhuang County Sewage Treatment Co., Ltd.
Guoqi Electronic (Zhongshan) Co. Ltd.