| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 862.97 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 862.15 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 918.43 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 861.91 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 862.02 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 862.2 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 918.74 | USD | 20251205 |