Due to their excellent stacking performance allowing for multiple layers be securely piled, our block bottom valve bags save transport cost and storage space. Valve bags have wide applications in cement, chemical powder, flour, fertilizer and other powder industries. Our company can customize block bottom valve bags according to customer requirements. Produced by our AD.STAR bag making machine and made from PP and PE materials, together with special hot air soldering technology and coating process, our bags feature good anti-impact, anti-twist, anti-extrusion performance and tear resistance performance. Under moist conditions or when in contact with water, the valve bags can still maintain their strength.
We own five sets of complete Starlinger production lines, every week up to 2,500,000 valve bags can be produced.