Hebei Renze Haohong automobile seal factory. Specializing in the production of engine overhaul package, valve oil seal, valve gasket, oil seal, intake and exhaust gasket, interface gasket, graphite gasket and other seals. Integrated R & D, production and testing team. People oriented, honest and pragmatic, innovative and enterprising, and the pursuit of excellence are Haohong's business philosophy for a long time.