PVC Profiles 1) Specifications: 60 sliding series 2) Colors: White, brown, gray, yellow, green any color request. 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