... 350GSM 3, full color printiing 4.good quality Hongju Printing has been in this field for over 6 years. ... of paper printing,such as:brochure printing,catalog printing,packing box,label printing,hangtag printing,paper bag printing,cardboard box, corruagted carton printing. printing brochure:Materiala) ... as the common 4-color (CMYK) process Printing UV 4-color printing, silk screen, hot pressed and so on ...