[BHP Billiton and Guomao Holdings signed a memorandum of understanding on the purchase and sale of cathode copper and extensive cooperation] On November 9, according to BHP Billiton news, during the 9th China International Import Expo, BHP Billiton and Shanghai Guomao Holdings Co., Ltd. (referred to as "Guomao Holdings") officially signed a memorandum of understanding on the purchase and sale of cathode copper at a centralized signing event organized by the Shanghai State-owned Assets Supervision and Administration Commission. Subsequently, the two parties also signed an extensive cooperation memorandum at the BHP Development Platform. On the basis of consolidating the existing cathode copper trade cooperation, the two parties will comprehensively deepen strategic coordination, focus on core business sectors, and actively expand cooperation space in dimensions such as bulk commodity trade, green sustainable development, investment and financing.