Qingdao Haixi Heavy-duty Machinery Co., Ltd (HHMC) is a large state-owned enterprise belonging to the China Shipbuilding Industry Corporation (CSIC), dedicating in designing and manufacturing hoisting  and port cargo handling machineries.HHMC is located at the entrance of Jiaozhou Bay near Jiaozhou Bay Tunnel, which provides excellent ocean and land traffic conditions. It covers a total area of 510,000 square meters, among which 300,000 square meters for workshop and 210,000 square meters for assembly site. The company has 1,000 meters long  port which recently has passed the inspection of provincial government authorities. That means both the foreign and domestic 60,000t ships can berth to deliver cranes to anywhere of the world. And we have the 100-meter jetty type wharf used for assembly site of floating crane.