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Classification and Output of Hydraulic Drilling Tools in Chinese Market
At present, about 200000 drill rods are produced by domestic drill enterprises every year. Drill bit about 2.1 million only. Among them, the drill rod and drill bit of underground tunneling drilling machine account for about 30% and 35% respectively. (As drilling vehicles are not used in the excavation of domestic highway and railway tunnels, about 1/2 of the drill rod and 2/3 of the drill bit are exported to foreign markets).
Classification and Output of Hydraulic Drilling Tools in Chinese Market
From the brazing steel brazing tool association paper
Main product types of hydraulic drilling tools
Drill rod for underground boring drilling vehicle
Drill bit for underground boring drilling vehicle
Drill Rod for Underground Mining Drilling Vehicle
Drill bit for underground mining drilling vehicle
Drill Rod for Open Rock Drilling and Drilling Vehicles
Drill bit for open rock drilling and drilling vehicle
Production volume of various drilling products in Chinese market
At present, domestic drilling tool enterprises produce drill rods about each year.20Ten thousand. Drill bit approx.210Ten thousand only. Among them:The drill rod and drill head of underground tunneling drilling vehicle respectively account for about30%and35%；(Due to the fact that the drilling car is not used in the excavation of domestic highway and railway tunnels.,Wherein the drill rod is about1/2,Drill bit approx.2/3export to foreign markets). Drill rods and drill bits for underground mining drilling vehicles account for about10%,15%. The drill rod and drill bit for open-air rock drilling vehicles account for about60%,50%. Domestic drilling enterprises also produce various types of hydraulic rock drills every year.8Ten thousand, connecting casing about6More than ten thousand.
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