PP Woven Bag, Valve Bag, FIBC manufacturer / supplier in China, offering Factory Direct Sale Customized Dimension BOPP Laminated Craft Woven Bag Plastic Polyethylene Bag with Valve Port, Lime Mortar Black Carbon Sack with Valve Port Recylable Material Plastic Polyethylene Bag, Lime Chemical Fertilizers Packing 10kg 20kg Large Load-Bearing Capacity PP Bag with Valve Port and so on.