| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1432.3 | USD | 20251106 |
| Shandong Hongyang Chem | China national standards | MT | 1431.57 | USD | 20251105 |
| Shandong Hongyang Chem | China national standards | MT | 1431.57 | USD | 20251105 |
| Shandong Hongyang Chem | China national standards | MT | 1431.57 | USD | 20251105 |
| Shandong Hongyang Chem | China national standards | MT | 1431.9 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 1431.9 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 1431.9 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 1432.26 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 1432.26 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 1432.26 | USD | 20251103 |