Valve, Valve Block, Manifold Block manufacturer / supplier in China, offering Professional OEM Double Acting PTFE Rotary Seal for Extreme Temperatures, Professional Sealing Ring Single-Acting PTFE Material U-Cup Rod Seal with V-Shaped Spring for Machinery Part, High-Pressure Sealing Ring Single-Acting PTFE Combination U-Cup Rod Seal with V-Shaped Spring for Construction Machinery and so on.