Tellhow Sci-tech Co. Ltd was the first company in the domestic Chinese intelligent building electrical industry to be listed, and is engaged in the design, manufacture and installation of intelligent central air conditioners, intelligent generating units, intelligent electrical equipment and other electrical products for intelligent building. The company is also involved in the field of optical-mechanical-electrical integrated products, developing its Tellhow series photoelectric information products to advanced international standards.

In the field of military equipment, through the introduction of vehicle communication systems and mobile electrical products as well as engine products manufactured by Qinghua Sanbo Motor Co. Ltd, the company has created the only military products in the industry to have won the National Invention Award.