Zhejiang Kaiyu Drilling Bits Co., Ltd.

We are one professional manufacturer of rock drilling tools and consumables in China. Our main products include DTH hammer, DTH bit, button bit, drill

The Kaiyu DTH drill bits are made from hard alloy and special steel, which have high strength, high wear resistence and long life features. They are w

The Kaiyu button drill bits are made from hard alloy and special steel, which have high strength, high wear resistence and long life features. They ar

kaiyu drill bits provide many kinds of chisel bit or chisel horse bit with high standard carbide steel, it has been in drill bits business for 35 year

Conical tools, Crusher tools, Flats and Radials, Hex drillsteel system, Two-Prong tools, Coal Mining bits, Cutter, caol cutter, mining tools, mining d