Golden Engineering Co. Pvt. Ltd. Supplies Attic Wind Driven Ventilator. Golden Engineering Co. Pvt. Ltd. Is the manufacturer of engineering components and powerless turbine ventilators. Attic Wind Driven Ventilator does not require electricity and runs with almost nil operation and maintenance cost. Attic Wind Driven Ventilator is manufactured using various materials to suit different environment conditions. These ventilators provide a clean and dust free air and are also easy to install. These are available in the range from 12 to 36 inches.