The four brothers of the engineering vehicle belong to China. The Four Brothers of Engineering Vehicle is the cartoon "Four Brothers of Engineering Vehicle" released by Suzhou Youyou Entertainment Culture Media Co., Ltd., which is an early education and automobile cognition animation for children aged 0-6. Crane, truck, large excavator and small excavator form an engineering team. Whenever a new architectural blueprint is launched, the four engineering truck brothers will work together in Qi Xin to complete the construction task together.