| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 960.74 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 960.51 | USD | 20251126 |
| Shandong Hongyang Chem | China national standards | MT | 959.44 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 959.03 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 959.48 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 959.69 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 960.23 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 960.11 | USD | 20251114 |
| Shandong Hongyang Chem | China national standards | MT | 959.57 | USD | 20251113 |
| Shandong Hongyang Chem | China national standards | MT | 960.0 | USD | 20251112 |