... 20 years time guarantee5.Wear resistance reach to 3H,Test window lift 360,000 times no scratches Product purposeCompany R&D ... any questions, we will answer to u anytime. sun reflective window film Verified Information This information is Verified by Bureau Veritas ... Capacity: Product line name Production Line Capacity Actual Units Produced(Previous Year) Car Window Solar Film and Building Film 70,000 m ...