CN01: synchro mechanism,4 positions lock with a return-preventing system on backrest back with lumbar support, hanger, pillow, plastic back cover,height adjustable armrest, claw-shaped chair base CN02: middle back CN03: Low back CN03bv: visitor chair
CN01: synchro mechanism,4 positions lock with a return-preventing system on backrest back with lumbar support, hanger, pillow, plastic back cover,height adjustable armrest, claw-shaped chair base CN0