Shanghai Zhenhua Port Machinery (Group) Co. Ltd. (ZPMC) is a well known crane manufacturer in the world. Its subordinate Heavy Machinery Branch mainly be responsible for the design and the fabrication of the portal crane. Portal crane is installed at the front side of port docks, is designed to for handling general bulk cargo and sundry pieces. ZPMC owns a strong professional design manufacturing procession, can provide the door of various type machine product according to the different customer request. Up to now, the product has already install in each important infrastructure engineering at Shanghai 、Guangzhou、Ningbo、Xiamen、Jinzhou、Hongkong etc. each port wharf or internal and Three Gorges etc.