北京六合伟业科技股份有限公司
Exhibit Profile：
Liuhemainly provides various measurement and control instruments while drilling, including Measurement While Drilling (MWD) System, Logging While Drilling(LWD) System, Near-bit Measurement System, North Seeking Gyro Inclinometer, Drilling Dynamics Monitor System. etc.
Liuhemainly provides various measurement and control instruments while drilling, including Measurement While Drilling (MWD) System, Logging While Drilling(LWD) System, Near-bit Measurement System, North Seeking Gyro Inclinometer, Drilling Dynamics Monitor System. etc.
Website：http://www.liu-he.com