TOT Shanghai R&D Center Co., Ltd.
Advanced Materials Technologies, Inc.Arizona, United States
Shandong Yoji Heavy Industry Co., Ltd.Shandong Sheng, China
Jiangsu Tusheng Centrifuge Manufacturing Co., Ltd.
Petroleum Chemistry Research Institute of Heilongjiang Academy of Sciences
Thanos Co., Ltd.
Noboru Yamada,Japan
Runtai Chemical Nantong Co., Ltd.
Suzuki Shoten Co. Ltd.
Anhui Yicheng Food Co., Ltd.Anhui Sheng, China
Coal Research Institute Beijing Mining Research Institute
Fine Cotton Factory, Inc.