| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 818.23 | USD | 20251104 |
| Shandong Yeyang Chem | China national standards | MT | 818.43 | USD | 20251103 |
| Shandong Yeyang Chem | China national standards | MT | 790.21 | USD | 20251103 |
| Shandong Yeyang Chem | China national standards | MT | 818.28 | USD | 20251101 |
| Shandong Yeyang Chem | China national standards | MT | 790.07 | USD | 20251031 |
| Shandong Yeyang Chem | China national standards | MT | 818.28 | USD | 20251031 |
| Shandong Yeyang Chem | China national standards | MT | 790.25 | USD | 20251030 |
| Shandong Yeyang Chem | China national standards | MT | 818.47 | USD | 20251030 |
| Shandong Yeyang Chem | China national standards | MT | 818.71 | USD | 20251029 |
| Shandong Yeyang Chem | China national standards | MT | 790.48 | USD | 20251029 |