Guangzhou Theodoor Technology Co., Ltd. is an advanced technology enterprise specializing in the creation, manufacture, sales and service of energy saving Air Curtains and Ventilation systems. The Theodoor brand has a full series of products that are exported globally to more than 80 countries and districts.
With constant creation and innovation, Theodoor has more than 50 design patents and National Utility Model Patents. Produced in a national standard environmental simulation laboratory, Theodoor products is an industry leader in quality and performance of product upgrading in the air curtain industry. Theodoor has passed ISO9001, ISO14001, CCC, CE, ROHS, SASO, INMETRO, and UL certifications.