Xinhongyu mainly produces the following series products: 88,80 and 75 three-rail sliding series, 60 dual-rail sliding series, and 60 and 58 casement series plastic and steel doors and windows. Its products, anti-aging performance, sound and heat insulation, strong wind resistance and fine leak tightness. No aging nor going bad within 30 years, such products have been broadly used as the high-quality decoration for doors and windows in high and low buildings, and all kinds of villas.