A conveyor system able to safety convey a workpiece having a thickness of less than 100 .mu.m and easily position the workpiece, provided with a plate-shaped member provided movably and swivelably and a moving and swiveling means moving and swiveling the plate-shaped member, the plate-shaped member being provided together with a lifting means for uniformly lifting in its entirety a workpiece carried at the carrying location and a holding means for holding a workpiece lifted by the lifting means by chucking its entirety on a workpiece chucking surface of the plate-shaped member, and a plurality of Verneuil nozzles serving as the lifting means and a plurality of vacuum chucking nozzles serving as the holding means being formed in the workpiece chucking surface near an outer periphery of the plate-shaped member along the outer periphery.