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China.Zhejiang Kaiyu Drilling Bits Co.,Ltd
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About Us
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 type 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 style bits etc,. These percussion bits are widely ...
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