1.broad costruction options 2.high efficient working performance 3.super torque of the drilling There are any rotary drilling rig, containing Soilmec, IMT and other parts of made-in-China. They are almost new and have high efficient work performance, especially the price is...

1.broad costruction options 2.high efficient working performance 3.super torque of the drilling 4.as customer's requirement There are any rotary drilling rig, containing Soilmec, IMT and other parts of made-in-China. They are almost new and have high efficient work...

1.broad costruction options 2.high efficient working performance 3.super torque of the drilling There are any rotary drilling rig, containing Soilmec, IMT and other parts of made-in-China. They are almost new and have high efficient work performance, especially the price is...

1.applied to the hard and soft layer 2.high efficiecy 3.durable steel material for longtime use       The external key of the mechanical interlocking kelly bar usually hao three or six keys. There are three large groups or N groups pressure concave...

1.broad costruction options 2.high efficient working performance 3.super torque of the drilling 4.as customer's requirement There are any rotary drilling rig, containing Soilmec, IMT and other parts of made-in-China. They are almost new and have high efficient work...

1.broad costruction options 2.high efficient working performance 3.super torque of the drilling 4.as customer's requirement There are any rotary drilling rig, containing Soilmec, IMT and other parts of made-in-China. They are almost new and have high efficient work...

1.high quality and competitive price 2.applied to the hard layer and high efficiency 3.durable steel material for longtime us      Lock drilling machine, three key type and six key type two kinds, steel material adopt high quality alloy steel seamless steel...

1,high quality and reasonable price 2,durable steel material for longtime use 3,applied to the Bauer rig usually Lock drilling machine, three key type and six key type two kinds, steel material adopt high quality alloy steel seamless steel tube, welding in the key on the road...

1.broad costruction options 2.high efficient working performance 3.super torque of the drilling 4.as customer's requirement There are any rotary drilling rig, containing Soilmec, IMT and other parts of made-in-China. They are almost new and have high efficient work...

1.Our high quality teeth and holders will help to improve working efficiency. 2.made of manganese steel      Our high quality teeth and holders will help to improve working efficiency.Drilling rig's cutting tooth including bucket tooth and bullet tooth. Bucket...