HT-SAAE (航天机电, Shanghai Aerospace Automobile Electromechanical) is a company providing aerospace technology application industry products and services. It is mainly focused on the integration of polysilicon, solar cells, battery packs, and photovoltaic-energy storage systems; air conditioning systems, electronic power steering (EPS), and other automotive electronic system products; as well as research and development, production, and sales of application products in the civil-military integration fields.