This HGQ1220 crane mounted on wharf embedded foundation, is a fixed crane with fixed full rotation, single-arm rack, rack luffing, leverage live balance, cylinder support, and it carries out the loading and unloading operation of bulk cargo or packed cargo by using grab or hook. This machine uses AC frequency control, PLC control, and installed intelligent "state monitoring and control system." It has the characteristics of beautiful appearance, safe and reliable work, advanced performance, convenient maintenance, high durability and so on. It can be widely used in loading and unloading operation of port wharf and freight yards.