drill bit by carbide or steel knot carbide
Hardness is HRA 92 to 89, and precision is even ±0.001mm
Liquid Carbon Dioxide Splits Rock
cheap and green
Hydraulic Rock Breaking
Hercules Rod
function parts for CAT as mining machine
milling, cutting, drilling, and breaking
Series Steel Plate of Wear-Resistant or High-Strength
max 10 feet width
Powder metallurgy tech related
powder of diamond & metal, 3D tech, CBN wheel etc.
peen shooting & auto welder tech
advanced tech of future is coming
Tool & Die Steel, and wearing-resistant steel
tech origin from CISRI