Valve pocket, commonly known as paste bottom bag, for the international popular packaging bag, feed from the top or bottom valve port, the use of special filling equipment, filling materials into a cuboid, stacked neatly, beautiful, belongs to the environmental protection bag.
Chengdu Qingya paper is engaged in Bamboo and Bagasse pulp raw materials to produce Bamboo Jumbo rolls, Bamboo toilet paper etc control with extraordinary efficiency.
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