Kiểu xử lý
Xử lý nhiệt + quá trình gia công
Application
Quarrying, construction, civil engineering, mining,
Usage
mining, water well drilling, geothermal drilling
Rock formatio
Granite, limestone, quartz, etc
Advantage
Hign Abrasion Resistance
Color
Black gold yellow red
Rock hardness
Granite, limestone, quartz, etc