Hotwell Ges.m.b.H
Essca Group
CNPC Logging (CPL)
BGP INC
Xi’an Well-sun Electronic Technology PLC 
Xi an Sitan Instruments Co., Ltd.
Xi’an Xinyuan Intelligent Control Technology Co.,Ltd
Shaanxi Brilliance Petroleum Technology Co., Ltd.
Raylens Technology Co.,Ltd.
Beijing SupCompute Technology Co.,Ltd.
Beijing Olym Tiancheng Technology Limited Co.,Ltd 
Beijing GridWorld Software Technology Co., Ltd
Yadan Tech
Pioneer Sinopetroleum(Beijing) Equipment Ltd
WellRay Science & Technology Development Co.Ltd
Xi'an Gen Tai Information Technology Co., Ltd
Shanghai Jiadi Company Limited
Guizhou Aerospace Kaishan Oil-well Instrument Co.Ltd
Orins Embedded System & Fieldbus Ltd