| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 917.35 | USD | 20251028 |
| Shandong Hongyang Chem | China national standards | MT | 860.6 | USD | 20251027 |
| Shandong Hongyang Chem | China national standards | MT | 860.03 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 916.42 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 860.15 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 916.09 | USD | 20251022 |
| Shandong Hongyang Chem | China national standards | MT | 859.71 | USD | 20251022 |
| Shandong Hongyang Chem | China national standards | MT | 860.0 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 916.4 | USD | 20251021 |