Dear supplier organization: Dianne Mining Corporation Pty. Ltd. (owner, Australian Company Number: 095 326 079) intends to purchase engineering equipment for the 500,000-ton copper concentrate concentrator at the Dianne copper-gold mine in Australia, and invites suppliers who meet the procurement requirements Participate in the offer for this project.

I. The basic situation of the procurement project 1. Project number: DM08082020ENG038. 2. Purchasing project name: Procurement of engineering equipment for the 500,000-ton copper concentrate concentrator of Australia's Dianne copper-gold mine

II. Project introduction: The Australian Dianne copper-gold Mine is in the northeastern part of Queensland, Australia. The administrative division is under the jurisdiction of Cairns. It is located about 150 kilometers northwest of Cairns. It belongs to Dianne Mining Corporation Pty. Ltd., a joint-stock enterprise focusing on the development of mining. The company plans to invest approximately US$100 million in the Dianne copper-gold mine site to build a concentrator that processes 3 million tons of copper and gold ore annually and produces 500,000 tons of 30% copper concentrate. The construction period is 12 months. The subject of this purchase is engineering equipment (the list is separate).

III. The supplier shall meet the following conditions to participate in this procurement quotation activity 1. With the ability to independently bear civil liability; 2. With a good business reputation; 3. Have the necessary equipment and professional technical capabilities to perform the contract; 4. The supplier must provide: (1) Corporate business license; (2) Bank account opening permit; (3) Equipment quotation list; (4) Product SAA certification Sincerely welcome your participation