Xinjiang Hongfan Biotechnology Co., Ltd.
Yueqing Shichuang Electronics Co., Ltd.
DPG Deutsche Pfandsystem GmbHBerlin, Germany
Promens SARL
CNPC Great Wall Drilling Engineering Co., Ltd. mud logging company
Shanghai Yaochun Auto Parts Co., Ltd.
Shanghai Minhang Environmental Protection Development Industry Co.,Ltd.
VSB Vogelsberger Umwelttechnik GmbH
Murata Sangyo KK
Datang Linzhou Thermal Power Co. Ltd.
Beijing Sanbo Brain Hospital Co., Ltd.
Ricardo Consulting Engineers Ltd.