Shanghao Packaging Co.,Ltd, Specializes in manufacturing of all
kinds of envelope ,paper handle bag,food bags. We are also the
largest professional manufacturers of envelope and paper bag
machinery in China. Our machines factory: Zhenjiang modern printing
machinery works, which is the major machines to produce standard
envelopes that the Ministry of Post and Telecommunication
generalizes as an emphasis.
Especially, the successful development of the PTF series fully
automatic envelope machine and SBH series automatic has settled the
leading position of our company in the domestic envelope machinery
and paper handle bag machinery industry.