Introduction   We've focused on logging systems for 22 years. Located in Beijing, China.  We have leading technology and products in wireline and LWD/MWD fields. Our AXP600 series wireline logging systems cover open hole, cased hole applications, also we have LWD/MWD sub systems and parts. We have close relationship with main well logging service and manufacture companies in China. Our products have been sold world wide in recent years.