| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 918.35 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 861.84 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 918.13 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 861.63 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 917.11 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 860.67 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 916.72 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 860.31 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 860.71 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 917.15 | USD | 20251119 |