N/a manufacturer / supplier in China, offering Rock Drilling Tools Rotary Drilling Bits with Bullet Teeth Laser Cladding Wear-Resistant Layer for Continuous Miners, Premium Tungsten Carbide Round Shank Cutter Holder Laser Cladding Wear-Resistant Layer for Continuous Miners, Round Shank Tungsten Carbide Tunnel Boring Construction Cutter Teeth for Continuous Miners and so on.