... Engineering specificationsInstallation Site: ground, Flat / Tilt roof, Tile roof, Vitreous tile, any suitable areaInstallation Angle: ... VerticalApplicable Module: Any brand of PV solar power panel moduleColor: Natural, Silver, Gray, or CustomizedFrame ... Steel 304, aluminum alloy 6063-T5Warranty: 10 yearsStandard: GB/T13912-2002 or AS/NZS 1170 or any other International standard color-steel panel roof ...