Detailed Product Description

The valve opening type bag is the most popular packaging bag in the world at present. One can fill this bag from the top valve opening and uses special equipment to fill it. After filling the bag, it becomes cubicle and automatically closes without need for stitching. There is no dust during filling, which is the ideal for packaging powder products such as cement, black carbon, additive, chemical raw materials, or flour. The bag stacks into an orderly fashion. This bag is an environmentally safe package bag. The bags are suitable for exporting enterprises to improve the package grade of the product. This companys valve opening type bag is made of many materials such as: Kraft paper, woven filter, PE film, composite paper and plastic, OPP color printed and composite nacreous film.