北京六合伟业科技股份有限公司
Exhibit Profile：
Our products include electronic single shot survey instrument, wireline steering tool, self-floating survey instrument, gyro, wireline skid unit and clibration stand
Exhibits show：
Our products include electronic single shot survey instrument, wireline steering tool, self-floating survey instrument, gyro, wireline skid unit and clibration stand
Exhibits show：
Website：http://www.liu-he.com