TREA

Shanghai Qing Ying Sun-Shading Technical Development Co., Ltd.

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  • Shanghai, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Motorized/manual clutch of curtain track
    • Patent number 7,686,064
    • Issue date Mar 30, 2010
    • Shanghai Qing Ying Sun-Shading Technical Development Co., Ltd.
    • Duanqing Gu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...