China No.15 Metallurgical Construction Co., Ltd. (hereinafter referred to as "China No.15 Metallurgical") is a large state-owned construction enterprise with general contracting qualification for special projects, which belongs to the category of central enterprises. China Tenth Five-Year Metallurgical Construction Co., Ltd. was established in June of 1948+00, and is a subsidiary of China MCC, a world top 500 listed company. The full name of China MCC is China Metallurgical Science and Technology Corporation, which is a joint-stock company jointly established by MCC and Baosteel with the approval of the State-owned Assets Supervision and Administration Commission of the State Council. It is one of the central enterprises approved by SASAC. It can be determined that the fifteenth metallurgical industry is a central enterprise.