Qingdao gold coast hydraulic mechanical engineering co., LTD is located in known as "Oriental Switzerland," said the city - Qingdao city in shandong province, is specialized is engaged in the hydraulic system design, hydraulic components maintenance, technical consulting services companies, is committed to the mine machinery, engineering machinery, construction machinery, metallurgical machinery, chemical machinery, port machinery, ship machinery, agricultural machinery and other industries to provide professional and comprehensive technical services.