• We Pass SGS Audited Supplier

    We Pass SGS Audited Supplier Congratulation for successful completion of Audited
    Supplier by SGS! This auditing mainly assess our factory ISO management system
    and its operation, quality managemen...

  • Ceiling Function

    The function which gives the smallest integer , shown as the thick curve in the above plot. Schroeder
    (1991) calls the ceiling function symbols the "gallows" because of the
    similarity in appearance...

  • In the quarter-finals with Curtain walls of Brand

    In the face of China's economic development process of China's
    doors and windows, curtain wall industry has been developing a broad space. In
    such a good environment, we focus on energy-saving const...