... 250g white cardboard 2.CMYK printing Fuzhou Qianfan Printing Co.,Ltd.Main products:various kind of book printing ,catalogue,booklet, brochure, children board book ... , 300gsm, 350gsm, 400gsm ,etc.Printing:4C/4C printing,B/W printing, pantone color printing; golden color printing;silvery color printing; UV printing; glossy/matte varnish printing, special color printing,etc.Finishing :Glossy/matte ...