Crane truck, also known as a truck mounted crane, is a device that uses hydraulic lifting and telescopic systems to lift, rotate, and hoist goods. It is usually installed on cargo trucks. It is generally composed of a cargo truck chassis, cargo compartment, power take-off, and crane. The chassis of the cargo truck can be selected from various tonnages such as Dongfeng, Jiefang, Ouman, Steyr, Tang Jun, etc. Cranes can be divided into Wuyi truck mounted crane, Xinfeigong, Tieyun, XCMG, Hongchang Tianma, Jianghuan, Yutong Heavy Industry, Feitao, Shimei, etc. according to manufacturers. They can be divided into straight arm and folding arm types according to crane types, and can be classified into 2 tons, 3.2 tons, 4 tons, 5 tons, 6.3 tons, 8 tons, 10 tons, 12 tons, 16 tons, and 20 tons according to tonnage. The arm of the crane is divided into straight arm crane and folding arm crane. Generally speaking, articulated cranes are more expensive than straight cranes of the same tonnage. The…