We started producing envelope out of home industry in 1982. The business grew from the increasing greetings card envelope demand at the time.PT. Diamond Prima Jaya was then formally established at 2004 and has helped to supply most banking, insurance and other companies needs for mailing envelope until now.The company now produces various kind of paper-converted product such as book, hardcover book, paper folder, HVS copy paper, paperbag and bufallo cover carton with our well-known brand across Indonesia.