We , Rain Continent Shanghai Co., Ltd. and Kunshan zhenpack Inc. main produce and export sorts of plastic packaging machines(including main PE film blowing machine , bag-making machine and printing machine) , CaCa3 filler and Masterbatch and so on. We have a abundant experience of producing and using in past twenty over years .Recently we have studied out a new type film blowing machine, it is called Double Screw Shree-layer Co-extrusion Machine ***** can reduce the production cost of prodcuts validly.And make sure the quality of product. Meanwhile we also agent many factories&＃039; products, let us know if you have any requirement in the future. We will look forward to establish a good business relationship with friends all the world.