Zhejiang Kingding Machinery Technology Co., Ltd., located in Quzhou, Zhejiang Province, China, Kingding is engaged in the R&D, production, sale and service of piston compressors, screw air compressors, top hammer rock drills, DTH drills and hydraulic rock drill equipment and refrigerant. Our company has professional designing and manufacturing engineers and has established R&D cooperation with famous universities and advanced chemical plants. We have more than 200 series of products, inc...