Koyo has advanced automation equipments from Wegoma of Gemany and Emmegi of Italy. We have six upvc window production lines and three aluminum production lines, thus four hundred thousand square meters doors and windows of different size and style can be made each year. We hold strictly the quality of raw material, anti fatigue and anticorrosion of parts, to make sure the accuracy of processing, flexible opening, non-distortion and air tightness. ? Koyo has ISO quality management system identification,?European Union CE certification,and we strictly put these standards into pracitce. Koyo company gained many titles such as?‘National Inspection from exemption product’,?‘Awards for excellence in Anhui province’,?‘famous product of Anhui province’,?‘famous brand of Anhui province’,?‘Awards for quality of Suzhou’,?‘recommanded product as international cooperation item of commercial ministry’, and Koyo company gained some certifications as following?：’A aptitude for contract management an mental door and window installation’,?‘B aptitude for contract management an decoration and curtain wall building’,?‘safety production admission’,?‘A rank for door and window production’,?‘A rank for door and window installation’by Mental Door and Window production Association of China. ? Koyo has an exhibition center of more than one thousands square meters. It not only display the doors and windows of different size and style, but also fireproofing windows, energy saving windows, windows for passivhaus, considering the international needs ,Koyo also set Thailand section, Indian section, Latin American section, European section in the exhibition center.?