4,000 meters serial api standard drilling rig manufacture
1.It is used to develop oil,gas and water well. 2. Suitable for4,000 meters well. 3.Have ZJ40L/40CDJ/40LD/40D etc.
4,000 meters serial api standard drilling rig manufacture
1.It is used to develop oil,gas and water well. 2. Suitable for4,000 meters well. 3.Have ZJ40L/40CDJ/40LD/40D etc.
4,000 meters serial api standard drilling rig manufacture