Turbine Roof Ventilator Fans – Manufactured and Installed by Lijan Greentech Lijan Greentech is a leading manufacturer of Turbine Roof Ventilator Fans, designed to provide natural, energy-free ventilation for industrial, commercial, and institutional buildings. Our ventilators are widely used to exhaust hot, humid, dusty, and polluted air, creating a healthier indoor environment. Since they run entirely on wind energy, they require no electricity, making them a sustainable and cost-saving solution. We manufacture and supply both: Aluminium Turbo Ventilators Stainless Steel Turbo Ventilators Key Features: Smooth, free fan rotation for maximum air movement Higher RPM = higher exhaust volume Installed with base parallel to floor level for longer life and minimal wear & tear Supplied directly to customers and dealers Regular air circulation ensures freshness inside factories, warehouses, auditoriums, schools, and more. Choose Lijan Greentech Turbo Roof Ventilators for a reliable, eco-friendly, and long-lasting ventilation solution