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NWL HWL PWL BWL pdc 煤炭开采/pcd 浸渍钻石勘探取心钻头
US$30.00 - US$300.00
Shipping to be negotiated
Min. Order: 10 pieces
BQ NQ HQ PQ NQ2 NQ3 HQ3 PQ3 NX HX NMLC凿岩用钻芯钻头
US$50.00 - US$60.00
Shipping to be negotiated
Min. Order: 1 cartons
高品质中国钻杆供应商，BRQ，NRQ，HRQ，PRQ钻杆1.5M 3M
US$70.00 - US$145.00
Shipping to be negotiated
Min. Order: 50 pieces
金石钻杆批发JS钻杆AQ BQ NQ HQ HRQ PQ PHD有线钻杆
US$20.00 - US$140.00
Shipping to be negotiated
Min. Order: 10 pieces
金石NRQ HRQ PRQ PHD钻杆JS电缆钻杆
US$30.00 - US$180.00
Shipping: US$277.62/pieces
Min. Order: 1 pieces
预计交货日期 6月6日
BQ钻杆BQ NQ HQ BRQ NRQ HRQ PQ PHD PRQ岩心井开采钻杆杆
US$30.00 - US$180.00
Shipping: US$277.62/pieces
Min. Order: 1 pieces
预计交货日期 6月6日
吊装塞BQ NQ NW NWJ BW BWJ AWJ AW钻杆螺纹，吊装塞
US$20.00 - US$150.00
Shipping to be negotiated
Min. Order: 1 sets
BQ AQ ATW BTW NQ HQ PQ金刚石岩心钻头尺寸
US$60.00 - US$170.00
Shipping to be negotiated
Min. Order: 10 pieces