Specialize in drill bits with various model.The best quality and resonable price would attract your attention .Welcome to inquiry.
Skype: drill bits salesman

Skype: drill bits salesman

We can supply various of drill pipe with ISO90001 certificate. If you cantact me, i would like to give you a discount to cooperate with you .

Hebei ZK Drill Equipment Co., Ltd. is specialized in designing, manufacturing and marketing of various high quality diamond drill bits for various petroleum drilling activity.....

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....