g. 通过招标选择地下开采承包商，请管理层尽快提交招标方案报董事会研究

g. Select underground mining contractors through bidding, and ask the management to submit the bidding plan to the board of directors for study as soon as possible. The selection of the contractor should pay attention to the experience of underground mining of small veins and reasonable quotation of the project. There must be constraining clauses for the contractor's profit and ensuring the mining progress, ensuring the quality of the ore (reducing ore dilution and reducing the loss) and safety production management.

g. Select inglision contractors through tenders and request management to submit the tender proposal to the Board of Directors for study as soon as possible. The contractor's choice should focus on the experience of underground mining of small veins and reasonable quotations for the project, and must be subject to binding terms on the contractor's profits and ensuring the progress of mining, ensuring the quality of the ore (reducing ore depletion and reducing losses), and the management of safe production.

g. The underground mining contractor shall be selected through bidding, and the management shall submit the bidding scheme to the board of directors for study as soon as possible. The Contractor's selection should pay attention to the experience of underground mining small vein and reasonable engineering quotation. There must be binding terms for the Contractor's profit, ensuring the mining progress, ensuring the ore quality (reducing ore dilution and loss) and safety production management.