| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 4944.97 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 4943.78 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 4938.27 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 4936.18 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 4938.48 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 4939.6 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 4942.39 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 4941.76 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 4938.97 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 4941.2 | USD | 20251112 |