supply PDC, tricone bits, drill pipe and drill collar( new and used) , and various size is available.Besides, the goods have good quality and reasonable price.If you are interested in drill bits , ....
Hebei Zhankui Drilling Equipment Co., LTD supplies Tricone bits ( new and renew ) , PDC bits , drill pipe , drill collar and the long diameter bits and so on for petroleum & gas , water well , mining....
We sell drill bits , drill pipe and drill collar for water well and oil field .If you are interested in our products, please call me now. I am confident that you will satisfied with the quality and....