| Vendor | Spec | Unit | Price | Currency | Date |
| Sanjiang Chem | China national standards | MT | 846.66 | USD | 20251103 |
| Sinopec | China national standards | MT | 846.66 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 973.65 | USD | 20251103 |
| Satellite Chem | China national standards | MT | 860.61 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 973.48 | USD | 20251031 |
| Shandong Hongyang Chem | China national standards | MT | 973.7 | USD | 20251030 |
| Sanjiang Chem | China national standards | MT | 868.12 | USD | 20251029 |
| Sinopec | China national standards | MT | 868.12 | USD | 20251029 |
| Sinopec | China national standards | MT | 868.12 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 973.98 | USD | 20251029 |