Established in 2012, Shanghai Changtong Group has become a modern and diversified corporation, dedicated to printing and packaging industry like PVC, pp color box, gift boxes, cylinders, wooden boxes, etc. Changtong Group owns their own factory with more than employees. Our main products are:pharmaceutical packaging,food packaging,cosmetics packaging,wine packaging,packaging boxes,packaging bagswelcome to place order to us!Grace AT ctbzzp DOT comGrace