The water - based polyurethane resin has gradually replaced the solvent type and become an important direction of development of polyurethane industry. Waterborne polyurethane can be widely used in coating, adhesive, fabric coating and finishing agent, leather finishing agent, paper surface treatment agent and fiber surface treatment agent. With more than 10 years of development, SOWER has developed mature design and manufacturing technology, and can design and adjust the formulation of waterborne polyurethane according to the user's requirements to meet the actual use requirements, and can prepare high-performance waterborne polyurethane.