What is the difference between Huadian New Energy Technology Development Company and Huadian New Energy Development Co., Ltd.?

Huadian New Energy Development Co., Ltd. is a secondary company of Huadian Group, which is responsible for the investment, construction and operation of new energy. It is the unit of Party A, which manages the company and does not do technology. Huadian New Energy Technology Development Co., Ltd. is a third-class company of Huadian Group, a subsidiary of Huadian Project. It is mainly responsible for the general contracting, design and construction of new energy projects, and is the unit of Party B. The treatment of second-class companies should be better than that of third-class companies.