To provide a manufacturing system capable of manufacturing similar products on the same manufacturing line and easily shifting the manufacturing line.

A circulation type pallet conveying device 1 circulates a component arranging pallet 2 between a component supply line and an assembling line 4. The component supply line 3 sorts products based on an ID number attached to the component arranging pallet 3, and supplies a plurality of components constituting one product to the component arranging pallet 2. Then, the component arranging pallet 2 is supplied to the assembling line 4. Assembly center type assembling devices S1 to S3 constituting the assembling line 4 select an assembling method of the product by themselves based on the ID number of the component arranging pallet 2, and assemble the product by themselves.