Lijan Greentech is Supplier of Solar Day Light and Solar Sky Tube or Light Pipe. Both are Green Energy Day Lighting. Most Houses, Offices, Factories, Commercial Buildings etc use Lighting in Day Time also. Solar Day Lighting is a Green Energy Solution having only Initial Investment. Return of Investment is Expected in 3 Years Time considering Electricity Price in India. There is no Operation and Maintenance Cost Involved after Installation. Most Important Aspect of Solar Day Lighting System is that it does not Generate Much Heat Compared to Normal Electrical Lighting and Traditional Single Layer Glass or Polycarbonate Sky Light. Our Product is known as Lilly Brights which are having Highest Level of Product Quality and Supply with 5 Years Warranty.