| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Jinmao Alum | China national standards | MT | 1198.66 | USD | 20260116 |
| Shandong Jinling | China national standards | MT | 1198.66 | USD | 20260116 |
| Dongying Huatai Chem | China national standards | MT | 1198.66 | USD | 20260116 |
| Dongying Huatai Chem | China national standards | MT | 1191.02 | USD | 20260112 |
| Shandong Jinling | China national standards | MT | 1191.02 | USD | 20260112 |
| Dongying Jinmao Alum | China national standards | MT | 1191.02 | USD | 20260112 |
| Dongying Jinmao Alum | China national standards | MT | 1191.02 | USD | 20260112 |
| Shandong Jinling | China national standards | MT | 1191.02 | USD | 20260112 |
| Dongying Huatai Chem | China national standards | MT | 1191.02 | USD | 20260112 |
| Dongying Jinmao Alum | China national standards | MT | 1191.02 | USD | 20260112 |