A Pasted Valve Stepped End (“PVSE” or “valve”) bag is a common industrial packaging style designed to package a wide variety of dry flowable products. Valve bags are packed on equipment that deposits material into the bag via a horizontal filling spout. Valve bags can be made from paper, polyethylene film, or woven polypropylene.
With the factory situated in the China Town of Changzhou, North of Shanghai, Changzhou Jiacai has developed and manufactured valves, bag-on-valve for all types of aerosol products since 2003.
Annual bag-on-valve production is approximately Ten million and it is rising. Bag-on-valve of Changzhou Jiacai are used in all ranges of application e.g.: cosmetic, household, pharmaceuticals, food and technical industry.