According to the production demand of Bazhong Conch Cement in the Sichuan Chongqing region, it is proposed to carry out the bidding work for the procurement of limestone from external sources. In order to standardize the procurement behavior of materials and strictly follow the principles of fairness, impartiality, and openness, the bidding and procurement information is now released as follows: 1. Project name: Bazhong Hailuo External Procurement Limestone Procurement Bidding 2. Bidder: Bazhong Hailuo Cement Co., Ltd. 3. Bidding content, quality indicators, and required quantity of the subject matter (ton/month) Quality indicators Delivery location Limestone 200000CaO ≥ 48.00%; MgO≤2.00%； R2O≤0.50%； Moisture content ≤ 4.00%; Transport the limestone with a particle size of ≤ 800mm by truck to the limestone crushing port of Bazhong Hailuo Mining Branch, and deliver it on the ground. IV. Procurement (demand) quantity or amount: refer to the quantity in Article 3. 5、 Transportation requirements: 1. Bulk truck transportation, not limited to flatbed or self dumping. The winning bidder for flatbed trucks shall bear the unloading fees themselves. 2. The carrier vehicles must meet the emission standards of National V or above. If there are any other changes, the tenderer will notify separately. 6、 Contract period: May 6, 2025 to November 5, 2025. New channels (channels that have not cooperated with Bazhong Conch limestone supply business for more than 1 year (including 1 year)) will have a one month trial period. If the trial period cannot meet Bazhong Conch's ingredient needs, the bidding party has the right to terminate the contract and deduct the performance bond for the trial period. 7、 Delivery location: Refer to Article 3 for delivery location and method. 8、 1. Bidders must possess independent legal personality, production or sales qualifications for the subject matter, and be able to provide legal, compliant and valid value-added tax special invoices. 2. When registering on the Hailuo Sunshine Smart Procurement Platform, it is necessary to provide the bidding party with a true and valid business license (three in one), account opening permit (or basic deposit account information), and a copy of the legal representative's ID card. If the authorized representative is not the same person as the legal representative, a power of attorney from the enterprise legal representative and a copy of the authorized person's ID card must be provided. 3. Bidders must have a stable source of goods and provide proof of the source of goods (proving their own resources or providing underwriting, winning contracts, authorized distribution, purchase and sales invoices signed with the source producing units). For their own mining resources, they need to provide materials such as environmental impact assessment approval and mining permits. The tenderer has the right to further verify the authenticity of the bidding materials, and the bidding channel must cooperate unconditionally. 4. Bidders with equity affiliations are generally not allowed to bid for the same section at the same time. If the unit leader is the same person or if there are different units with controlling or management relationships, they shall not participate in bidding for the same section or bidding for the same bidding project without dividing the section. Otherwise, all related bids will be invalid. 5. Not included in the list of sealed suppliers by Anhui Conch Cement Co., Ltd. headquarters and its affiliated or managed enterprises. 6. Bidders shall not be listed as dishonest persons subject to enforcement by the people's court. 7. Joint bidding is not accepted. 9、 Announcement media: Those who meet the above conditions can log in to the Hailuo Sunshine Smart Procurement Platform before the deadline for public registration（ https://srm.chinaconch.com/oauth/ ）Register and register according to the qualifications of the bidder