| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1431.49 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 1431.49 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 1432.16 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 1432.16 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 1432.16 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 1432.48 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 1432.48 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 1432.48 | USD | 20251118 |
| Shandong Hongyang Chem | China national standards | MT | 1433.29 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1433.29 | USD | 20251117 |