| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 890.67 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1102.74 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Hualu | China national standards | MT | 940.16 | USD | 20251204 |
| Shandong Xima | China national standards | MT | 876.54 | USD | 20251204 |
| Jinan Jinrihe Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 933.09 | USD | 20251204 |