1. fuchs: fuchs is a German chemical company, which mainly produces lubricating oil and industrial lubricants, and also provides automobile maintenance services.
Firestone: Firestone is an American manufacturer of tire and rubber products, and also provides car maintenance services.
3.FMC: FMC is an American company, mainly engaged in agriculture, energy and chemistry, and also involved in automobile maintenance services.
Automobile maintenance refers to the process of testing, maintaining and repairing the automobile to maintain its normal operation.