Roof Ventilators areVery Useful for Industrial Sectors for their Effective Production. Lijan Greentech India Pvt Ltd is One of the Best and Largest Roof Ventilators and Heat Reducing Insulation Material Suppliers in Kochi, Kerala With Years of Experience. Roof Ventilators Also Known as Wind Driven Turbo Roof Ventilators . It Works on Wind Power and No Need Any Electrical Support. Turbo Roof Ventilator is a Cost Effective Solution to Reduce Heat Gain and Does not Need Any Maintenance After Installing on Your Roof. Lijan Greentech is a Green Energy Company in Kerala , Providing Innovative and Cost Effective Products to Avoid Heat and also Reducing Electricity Usage. Lijan Greentech is Major Supplier of Turbo Roof Ventilator in Thrissur and Kochi, Even though We Provide our Services in Kollam, Kottyam, Alappuzha, Kottayam etc.