We are professional manufacturer of seals in China with ISO9001 Certification. We can supply seal for piston, piston rod, hydraulic cylinder, oil seal, o-ring, elastic spider for shaft coupling, gasket and so on. We manufacturer according to international standard. We have many models: Such as UN, UHS, UNR, UHR, UNP, UHP, DH and ect. Of course, we can manufacture according to your samples or drawings. Welcome your inquiry.