We have been producing top grade doors and windows for over 8 years through which we have become a leading designer and manufacturer in this industry in China. We cooperate with some Chinese prominent universities and institutes to research into energy-saving doors&windows, and we have had over 80 patents, most of which are national patents. Our products consist of solid wood D&W, aluminum D&W, wood-aluminum D&W, roller shutter, blinds, curtain wall and Shanghai EXPO, some of our products are being exhibited in Germany ourselves to developing energy-saving doors and windows, we were honored to be regarded as an example in construction industry.We only provide our clients high quality products, which is also providing satisfaction and respect for them.