China Geological Equipment Group Co., Ltd(CGE)established in 1987, As Branch of China National Machinery Industry Corporation ( National Machine Group , the world's top 500 enterprises ). CGE are always stay on the forefront of technological development as the largest geological special equipment manufacturing enterprises of the industry in recent years , and plays a leading role and take the lead in economic output rising continuously improve economic efficiency , while fully the role of the large state-owned enterprises should bear the social responsibility and the main force of the industry.