OEM бумажный конверт

paper envelope: 1)fantastic design,or customized design 2)various sizes,different materials 3)batch process,outstanding supplier Shanghai Diantian Printing Business Co.,Ltd specilized in producing and marketing varous kinds of printing products.We prides ourselves in superior products and services to clients.We are the appointed printing supplier of China Art University, Lenovo,Haixin Group,Samsung, Baoxiniao Group and Gold Crown,ect.We are mainly the OEM manufacturer,producing playing cards,stickers,labels, magazines,catalogues,brochures, childred books,sticky notes,desk and wall calendars,shopping bags,git,etc.