Hardware accessories selection and design.  

When choosing hardware fittings, choose aluminium tilt turn windows that quality assures as far as possible, the quality grade of hardware fittings should be consistent with the quality grade of doors and windows.  

The structure of hardware fittings, shape should be identical with profile photograph, color is harmonious beautiful, function is correct, operation is agile, installation is convenient.  

hardware fittings installation should be complete, standard, reliable, accurate position.