... experience. Import about 20s advance mechines. Item Hardcover Books Manufacturer Factory in China Paper stock & weightSpecial paper (250gsm,300gsm,350gsm)Gloss or ma ... and back)Bindingsaddle sttiched, perfect binding, sewn&glue binding, spiral, wire-o binding, etcSurface finishgloss or matte varnish, gloss or matte ...