| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chem | China national standards | MT | 777.57 | USD | 20251204 |
| Shandong Hanyue Chem | China national standards | MT | 777.57 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 947.22 | USD | 20251204 |
| Shandong Hongyang Chem | China national standards | MT | 926.02 | USD | 20251204 |
| Shandong Qiangsen Chem | China national standards | MT | 876.54 | USD | 20251204 |
| Shandong Xima | China national standards | MT | 791.71 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 749.3 | USD | 20251204 |
| Shandong Zhiheng | China national standards | MT | 933.09 | USD | 20251204 |