Shandong Julong Hydraulic Machinery Co., Ltd. is specialized in manufacturing engineering drillers, water-well drilling rings, down-the-hole drills and all kinds of general machine tools and numerically controlled machine tools. We are one of China's leading enterprises among the drillers producing enterprises and in the machine-building industry, with our production and sales amount ranking the first place in the same trade throughout the country. We have 18 patent technologies with independent intellectual property right and the self-support import-export power, and we have passed the...