Yokor is aluminium window and door manufacturer in China, 10 years in making aluminium sliding window and sliding doors. We also offer aluminium casement window, awning windows, folding door and aluminum railing system. We can choose material upon customer demands, we are OEM of European standard aluminium doors and windows, our sliding door and window is of noise and heat insulation, good resistance to hurricane, we have ISO9001 certified aluminium products for sale, fashion style sliding window and door for house decoration, we are in Shanghai, welcome.