Changsha Heijingang Industrial Co., Ltd. China(CN)
... ducts (all kinds of dth hammers and dth bits, eccentric overburden drilling tools(odex, tubex), drill pipes, drill rods, threaded bits, shank adapters, coupling sleeves etc.) of high quality, low price and best service. With ten-years history, our c ...
Register Time: 2010-05-21