Our in-house produced, high performance polyurethane valve seals feature a high performance to price ratio and superior quality. These valve seals can work normally under complicated geological conditions, including all kinds of oilfields, shale gas and other harsh conditions. We are a specialized polyurethane seal manufacturer. Our polyurethane seal has seen wide use in hydrostatic testers and threading machines in steel manufacturing. Not only that, our sealing product is also adopted by tunneling shields in construction.