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GC Series Project Rock Bits GC Series Project Rock Bits 3000m truck-mounted rig [ Conventional Drilling - 3000 Meters ] 3000m truck-mounted rig [ Conventional Drilling - 3000 Meters ] Hollow Sucker Rod Hollow Sucker Rod cast steel manual gate valve(gate valve,wedge gate valve,sluice valve) cast steel manual gate valve(gate valve,wedge gate valve,sluice valve) Wedge Disc Wedge Disc
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