YANTAI DOOCANG HEAVY INDUSTRY TECHNOLOGY CO.,LTD. located in Yantai, China, mainly engaged in hydraulic hammer,quick coupler,hydraulic shear,hydraulic grab and other construction machinery research and development,production,sales and service as one of the excavator belongs to manufacture.Now it has brought together technical research and development personnel,senior management personnel,and established the core sales team and service team.The company operates "SANHA"hydraulic crushing hammer and accessories for all over the world to open mountains,road constructions,mining,demolition users to provide equipment,services and solutions.