Participation in engineering construction and rescue and rescue seems to be the dream of engineering vehicles for every child. Xiaomi’s MITU engineering crane is made up of 125 types and more than 720 parts. The simulation model of the prototype of the car is 1/16 scale design, and the vivid shape of 2 in 1 combines technology and art perfectly. The 360 ° rotatable console brings players a real control experience. Designed for cranes, large disc flat gears, combined with precision transmission of gear components, can be rotated at any angle.