Recently, the 1500t shipbuilding gantry crane developed and manufactured by the Port Machinery Manufacturing Department of DHHI for Hengli Heavy Industry Group Co., Ltd. was successfully shipped, and this is significant for DHHI to expand the market of large shipbuilding gantry crane in the future. In the process of in-plant manufacturing, the Port Machinery Manufacturing Department went all out by shift work to assure the project schedule and efficiently solved the difficulties arising on site, which finally contributed to quality work and on-schedule shipment, winning high praise from the customer.