Changzhou Wenlan Polyurethane Seal Co., Ltd. is one of the professional factories and was earlier engaged in producing PU seal dust ring. Our company was established in 1984, and through more than 20 years' efforts, we currently produce many 1500 types of PU seal products. We can design the non-standard PU products according to customers' requirements. Moreover, the material is all provided by Baier Company.