Liaocheng Jinquan Construction Machinery Co., Ltd (Formerly Jinquan (Golden Spring) Rock Drilling Tools Co., Ltd) was established in 1984, located in Economic Development Zone Of Liaocheng, Shandong Province, China. It belongs to the group company of Golden Spring Industrial Group Co., Limited. We are one of the biggest production bases of all kinds of rock drilling tools, mainly produce "Jinquan" brand rock drilling tools, including chisel/cross drill bits, tapered/thread button bits, down the hole (DTH) bits & hammers, drill rod, shank adapters, coupling sleeves, conical shank bits & holders, tricone bits, bucket teeth, air compressor, drill rigs etc. Now our manufacturing capacity has reached eight series and more than 500 types of products. They are widely used in quarrying, mining, road building, railways, highways, water well, hydroelectric power and other basic energy & civil construction projects.