Tianchang TG Turbine Ventilation Co., Ltd is the major manufacturer who contains designing, producing, and selling processions of the roof turbine ventilators that was established in 1955. We have a designing team with profound skills and experience in which all the skilled workers are professionally trained and proficiency in operating and they have high quality consciousness. Our company have always been carrying out its quality and management system of the International ISO 9000. Our products of TG-880, TG-600, TG-500 and TG-300 turbine ventilators have been appointed as the specialized widgets by many large enterprises and designing institutes. TG turbine ventilators are the famous products in the same line, and we are the only company who has self-management import and export right in the line of producing the roof turbine ventilators. Our products have been selling to all over the world, and we have exported to many countries in large quantities, such as France , America , India, Angola, South Africa , Iraq, Russia and so on. We have always been taking the quality as our life, credit as precondition and service as basic.We will provide the best quality, the best service and the most favorable price to all clients. Buildings choose ventilation, ventilation chooses Tongguan!