Theodoor Company is a professional manufacturer engaged in the research, development, production, sale and service of Air curtain, Heat pump water heater and ventilating system. We supply many series of products, suitable for different environments; with superior performance, attractive design and fine workmanship. Theodoor has gained ISO9001 international quality management system and ISO14001 Environmental management system certification. The products are qualified with CCC, CB, CE, ROHS, SASO, SAA and UL certifications.Theodoor pays great attention to absorb and integrate the advanced technologies, there are professional assembly lines, Motor manufacturing workshop and Numerical Control Workshop in the factory. Using the advanced mould machines and equipments in state of the art technologies which provide a solid basis for putting creative ideas into reality, and has enabled us to ensure the product performance and reliability. At every stage, from raw materials to the end products we insist on results: safety, efficiency, energy saving and environmental protection. Theodoor products not only have good sales in China market but also received a good reputation around the world. Up to now, we have established a wide marketing network and stable friendship with many customers and its our hope to develop long term cooperation and promote mutual benefit.