Zuanshan Mining Machinery Co., Ltd located in Liaocheng, Shandong Province, we have specilized research, development and production of air compressor, drilling rigs & down the hole (DTH) tools for more than 20 years. We are one very few manufacturers suppliers China, which could offer whole ...

We are a professional manufacturer of rock drilling tools in China. Our main products include drill, TBM cutter, roller cutter bits, DTH hammer, bit, button retract cross chisel drill rod, tube, shank adaptor, coupling sleeve, pilot overburden equipment, cutting which used for mining, ...