| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 973.81 | USD | 20251028 |
| Sanjiang Chem | China national standards | MT | 867.65 | USD | 20251027 |
| Sinopec | China national standards | MT | 867.65 | USD | 20251027 |
| Sinopec | China national standards | MT | 867.65 | USD | 20251027 |
| Shandong Hongyang Chem | China national standards | MT | 973.46 | USD | 20251027 |
| Shandong Hongyang Chem | China national standards | MT | 972.82 | USD | 20251024 |
| Sinopec | China national standards | MT | 867.2 | USD | 20251023 |
| Sinopec | China national standards | MT | 867.2 | USD | 20251023 |
| Sanjiang Chem | China national standards | MT | 867.2 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 972.95 | USD | 20251023 |