Profile: Guizhou Sinodrills Equipment Co.,Ltd supplies and exports rock drilling tool. We work at production, consultation & technical service of mining, quarrying, water well drilling, foundation and construction industries. Our products cover chisel bits, button bits, DTH hammers, drag bits, tapered drill rods and integral drill rods. We offer semi-finished products for rock drilling tools, miner lamps, pneumatic breaker tools and diamond core bits.