Invention Patent

• Processing technology of butterfly valve seal (ZL2006 1 0152644.8)
• Butterfly valve body dynamic seal ring pointing device (ZL2007 1 0159250.X)
• The closing and locking equipment for valves (ZL2009 1 0011939.7)
• Valve body active seal circle position monitor equipment (ZL2009 2 0014504.3)

Patents of New Applications

• An energy-saving heat-sink used in heating  (ZL2008 2 0218146.3)
• A device used in energy-saving boiler combustion ( ZL2008 2 0218145.9)
• Butterfly valve sealing ring instruction device (ZL2007 2 0185293.0)
• Butterfly valve with block for opening butterfly plate (ZL2007 2 0185289.4)
• Piston flow-adjusting valve with removable piston sealing ring (ZL2007 2 0185288.X)
• J-shapes large dimension butterfly valve hard sealing ring (ZL2007 2 0185292.6)
• Composite valve sealing ring (ZL2007 2 0185290.7)
• Multi-level buffering full oriented valve fuel tank (ZL2007 2 0185287.5)
• Fluid control valve on-off speed control device (ZL2007 2 0185286.0)
• T-shaped large dimension butterfly valve rubber sealing ring (ZL2007 2 0185291.1)
• Butterfly valve with butterfly plate adjusting device (ZL2008 2 0231340.5)
• Two-way sealed butterfly valve (ZL 2009 2 0014504.3)