Aoland’s  vision is to develop a highly sustainable and independent aluminium windows  and doors company. As one of the best aluminium windows doors manufacturers in China, Aoland mainly supplies aluminium windows such as:awning&casement; horizontal sliding &vertical double hung;shutter to the world. As to doors part, we offer french, sliding,bi-fold,lift&sliding,spring doors choices with AS2047, AAMA Certificate. Aoland will be always correspond to the latest state and work hard  to meet the highest requirements of design, comfort, security and energy efficiency.