At present, the choice of transportation vehicles must be considered from an economic point of view. The fuel consumption is low and the space is not small. Fuel consumption is related to the weight and size of the car, so aluminum alloy die-cast auto parts are used more and more to reduce weight. The following editor will briefly talk about the advantages in this regard. Many large cars, trucks and other automobile cylinders are basically made of iron materials, mainly because the weight of the vehicle itself has certain requirements, too light can not guarantee driving safety. Ordinary scooters have gradually replaced steel cylinders with aluminum alloy materials, because the materials are very light, which can reduce the weight of the vehicle without affecting the driving and save fuel consumption. It is economical. Variety.