Fit for photovoltaic roofs, photovoltaic ground, photovoltaic shed and photovoltaic, application of for protections and grounding for solar photovoltaic systems in vegetable greenhouses Strong compatibility, aluminum guide rails, photovoltaic car shed and C steel ( Usteel) guide rails matching Steel materials and light weight It is suitable for various installation environment Different holes to make installation more and safe, Manufacturer: PANGBOER