SJZ Engineering Equipment Co. Ltd. is a specialized manufacturer and supplier of mining machinery tools in China, the products are widely used for mining, tunneling, quarrying, construction geological exploration industries. Our range includes Mining ...

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, ...