SANWIN MACHINERY CO.,LTD SANWIN MACHINERY CO.,LTD, is a professional manufacturer of Flexographic Printing Machine, Slitting Machine, Bag Making Machine & Package Machine, Paper Straw Making Machine , etc. We are located in Rui’ an City, Zhejiang province, China. Products sell well all over the country, exported to Southeast Asia, the Middle East, Central Asia, Russia, Europe, South America, North America, Africa and other dozens of countries and regions. "SANWIN MACHINE "is your best