DTH Hammer, DTH Bit, Reverse Circulation Hammer manufacturer / supplier in China, offering China Factory Super Diamond 6inch DTH Hammer for Rock Drilling DHD360, Cop64, Ql60, SD6, Mission60, CD65, Marteau Fond De Trou De 6 Pouces Pour Forage De Roche SD6, Usine Chinoise, High Quality China Factory 3" 4" 5" 6" 8" 10" 12" High Air Pressure DTH Hammer for Mining Compatible with Bit Shank (Cop, DHD, QL, Mission, SD) and so on.