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Product Paramenters：
kelly bar drive head and upper fitting,which uses bearings to Rotary kelly bar and prevent steel wire breakage.Designs uniquely novel,the bearing pressure bearing completely selects import,using for long time.It is suitable each kind to turn on lathe digs the Rotary drilling machine.
Contact us and give us the size of the product you need. We will process it in the factory at our fastest speed, test it to the highest standard, and send the goods to you in time to ensure the smooth progress of the project
Product Paramenters：
kelly bar drive head and upper fitting,which uses bearings to Rotary kelly bar and prevent steel wire breakage.Designs uniquely novel,the bearing pressure bearing completely selects import,using for long time.It is suitable each kind to turn on lathe digs the Rotary drilling machine.
Contact us and give us the size of the product you need. We will process it in the factory at our fastest speed, test it to the highest standard, and send the goods to you in time to ensure the smooth progress of the project
