DTH Hammer, DTH Bit, Shank Adapter manufacturer / supplier in China, offering Atlas Copco Qes250 250kVA 400V 50Hz Water Cooled Silent Diesel Generator for Industrial Emergency Power Backup, Atlas Copco Qes250 Silent Diesel Generator 250kVA 400V 50Hz with Cmi Engine, Atlas Copco Qes180 Silent Qes Generator Containerized Cum Engine 50Hz 400V 180kVA Power Generator and so on.