• Flat rail design, beautiful appearance
• Strengthening of bearing parts ,to be fearless of Typhoon
• The grid strip is connected with metal parts, and the milling-free process is more worry-free
• Automobile grade new composite sealing strip,better sealing performance and easier to open.
• The use of high-quality pulleys which can bear 80 kg will be more wear-resistant, making the doors more flexible to open.