Our company specializes in manufacturing "Kaiyu" brand mine percussion bit with 30 years manufacturing history. We has long experience on rock drilling process and the latest development of rock drills. Our products include chisel horse bits, slanting forging flanged bits,pillar gear drill bits,u-shaped pillar gear drill bits,cross style bits, trolley bits,button bits, the head blades of compound slices-teeth,down-the-hole drill bits,assembly...
» Read More
» Leave a Message