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Due to its colorful patterns, PU leather is widely used in lots of areas, such as inner decorations of Sofa and Cars, Furnitures, Suitcases and Garments. More and more printing requests come from fashion, customization nowadays. However, in recent digital leather printing industry, mostly it was mostly printed with solvent-based inks, those inks harms healthy through breathing and touching, harmful to organs, nerves and blood system. Non-solvent, eco-friendly PU printing is requested by the market for long time. Polytech Shenzhen INC. launched water-based printing PU solution recently, its fine details, colorful appearence and 4-5 degree rub fastness have been recognized by lots of leather printing customers. W...