1) U PVC sliding 60, 75, 80, 88, 112 series, 2) Colors: White, brown, gray, yellow, green and any wood grain emboss surface 3) Top quality wit high strength corrosion resistance, anti-aging performance, sound and heat in solution, strong wind resistance and fine tightness 4) Beautiful and elegant appearance with the easy-to-operate, easy-to-clean 5) The product has passed the inspection for new scientific and technical tests and is considered to have reached the advanced international standards |