- 152mm Second Hand Drill Collar in Stock
- 2017-11-06 08:31
- 152mm second hand drill collar in stock Product Descriptionoil drill collar 1.Reliable bearing2.reasonable price3.quality assuranc...
- The 9 1/2" Rubber Seal Rock Bit for Gas Well
- 2017-08-03 21:49
- The 9 1/2" Rubber Seal Rock Bit for Gas Well Company Information Cangzhou Lockheed Drilling Equipment Parts Co., Ltd. is a professional manufacturer of drilling equipments an...