Button Bits
Jun 29, 2009
We are a professional supplier and exporter of drilling tools in China. Our products mainly cover the following fields:
1.Down-the-hole hammers and bits( 3" to 16", with COP, DHD, SD, XL, Halco, Mission, Br shank)
2.Overburden drilling system(.....
Changsha Tianhe Drilling Tools And Machinery Co., Ltd.