Profile: Tianjin Grand Construction Machinery Technology Co., Ltd. specializes in precision manufacturing drilling tool solutions. Coring barrels are used to remove rock samples from drilling operations. Our tricone rock bits feature a tungsten carbide rock engaging cone.
10 Products/Services (Click for related suppliers)
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| • | Bulk Drill Bits | • | Carbide Drill Bits | • | Carbide-Tipped Drill Bits |
| • | Center Stabilized Drill Bits | • | Core Drill Bits | • | Diamond Drill Bits |
| • | Drill Bit Cases | • | Drill Pipe | • | Drill Pipe Fittings |
| • | Drill Pipe Units | ||||