Is the differential of MN MODEL MN90 RC CAR metal?

The differential of MN MODEL MN90 RC CAR is likely to be made of metal materials, specifically cast iron (such as ductile iron) or aluminum alloys and other high-strength, wear-resistant materials. The selection of these materials is designed to ensure that the differential can withstand the loads and impacts that RC cars are subjected to under various driving conditions, while providing stable performance and a long service life.