A method of transporting a vehicle engine wire harness from a component preparation location to a component pick location is provided. The method includes placing the vehicle engine wire harness on a hook of a component hanger. The component hanger with vehicle engine wire harness is directed along a supply track assembly through a heated enclosure to the component pick location at a vehicle assembly line.

Provided is a mass customization system. The mass customization system includes a raw material stereoscopic warehouse module, an accessory assembly module, and a customization and detection module. The raw material stereoscopic warehouse module is configured to store a plurality of components for a plurality of types of products and pick out components of a target product according to order information. The accessory assembly module is configured to receive and assemble the components of the target product to obtain the target product. The customization and detection module is configured to perform product customization on the target product according to customization information carried in the order information.

A method of transporting a vehicle engine wire harness from a component preparation location to a component pick location is provided. The method includes placing the vehicle engine wire harness on a hook of a component hanger. The component hanger with vehicle engine wire harness is directed along a supply track assembly through a heated enclosure to the component pick location at a vehicle assembly line.

An overhead tray conveyor system conveying tray movers holding trays carrying products to a workstation area for processing. Soiled trays are transferred from the tray movers to a wash system. Once sanitized, the trays are returned from the wash system to the tray movers advancing around a track circuit.

Provided is a mass customization system. The mass customization system includes a raw material stereoscopic warehouse module, an accessory assembly module, and a customization and detection module. The raw material stereoscopic warehouse module is configured to store a plurality of components for a plurality of types of products and pick out components of a target product according to order information. The accessory assembly module is configured to receive and assemble the components of the target product to obtain the target product. The customization and detection module is configured to perform product customization on the target product according to customization information carried in the order information.