Valve, Valve Block, Manifold Block manufacturer / supplier in China, offering Professional High-Pressure Single-Acting PU U-Cup Rod Seal Hydraulic Seal for Piston Rod Sealing, Precision High-Pressure Single-Acting PU U-Cup Rod Seal for Stationary Hydraulic Systems, Robust High-Pressure Single-Acting PU U-Cup Rod Seal for Mobile Hydraulic Equipment and so on.