our company is a professional supplier of rock drilling tools in China.
Especially DTH hammers bits and overburden systems.we also supply drill rods,
button bits,shank adaptors,coupling sleeves and other related products.
our products are welcome in Australia,South Africa,America,Europe.
our products can be used in mining,tunneling,quarrying,construction etc.
if you are interested in this kind of products,don't hesitate to connect
with me