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core box BQ NQ HQ PQ for core drilling exploration, WA:+8615031569148, email: [email protected]
HQ PQ diamond core bit -Jinshi drilltech(JS manufacture) WA:0086 15031569148, Email: [email protected]
HQ drill rods and HQ diamond core bit 15mm, hardnes JS9 drilled 600m/pc, WA:+8615031569148,Ren
NX HX BX BW NW HW core bit and casing shoe to delivery JS drilltech WA&Wechat:+8615031569148
