4 tracks sliding UPVC Profiles 1) Specifications: sliding series, WHICH CAN FIT ONE MORE MOSQUITO NET TRACK AND ONE MORE SHUTER TRACK, TO BE 4 OR 5 TRACKS SLIDING WINODW Material:UPVC profile with steel reinforcement 2) Colors: CO-extrusion/Laminated/Spay/Coating 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 |