Valve, Valve Block, Manifold Block manufacturer / supplier in China, offering High-Pressure Single-Acting U-Cup PTFE Piston Seal Ring with V-Shaped Spring Spindle Seals for Machine Tools, Premium Single-Acting Spring-Energized Piston Seal for Hydraulic Systems, High-Pressure Single-Acting U-Cup PTFE Piston Seal Ring with V-Shaped Spring for Food and Beverage Processing and so on.