XCT220 truck crane is developed and manufactured by Xuzhou Heavy Machinery Company. It is the world's largest tonnage truck crane made by XCMG with various technologies of proprietary intellectual property rights. It is compact and has features of attractive appearance, better ride performance, powerful lifting capacity and wider working range. Max. rated lifting capacity is 220t, max. boom length is 68m, max. travel speed is 80km/h. It is mounted on a six-axle truck chassis and  seven-section boom with oval profile. Hydraulic infinitely luffing jib contributes to high work efficiency. With various advanced technologies including emergency steering, real time detection of outrigger pressure, multi speed-decreasing mode of telescoping oil cylinder integrated, the safety and reliability during lifting operation and driving are improved effectively