Nansha Phase I Wharf of Guangzhou Port is the main wharf of cargo water transit in Nansha Port area. In view of the actual situation of high utilization rate, high heavy box rate, mechanical maintenance and so on, the two door cranes manufactured by Yongtong Heavy Machine have a full range rated lifting weight of 45 tons, the maximum working range of 35m, with automatic telescopic rotary container crane, hook and other working tools, which can meet the loading and unloading needs of containers, general cargo, major cargo and other cargo types. The equipment adopts domestic advanced manufacturing technology, has the characteristics of reasonable structure layout, flexible and accurate mechanism action, safe and reliable use, convenient maintenance, etc., to help Nansha Port area efficient production.