Shanghai YY Windows Co., Ltd. is a leading manufacturer with more than 20 years' experience, located in Shanghai, China. Our products: aluminum doors, windows, UPVC doors and windows, aluminum louvers, spring doors, sensor doors, handrails and so on. Main markets: Australia and Canada…

Thirdly, we use high quality materials to keep our complete products in high quality, like LISEC glass, which is from Austria, with more than 20 years' experience in Shanghai and very famous in international market; GY aluminum profiles with AKZO-interpon powder coating and Dorma hardware imported from Euro and Doric hardware system.