| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 4939.6 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 4934.58 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 4935.28 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 4932.77 | USD | 20251022 |
| Shandong Hongyang Chem | China national standards | MT | 4934.44 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 4931.45 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 4933.12 | USD | 20251017 |
| Shandong Hongyang Chem | China national standards | MT | 4931.8 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 4929.92 | USD | 20251015 |
| Shandong Hongyang Chem | China national standards | MT | 4928.12 | USD | 20251014 |