| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 972.46 | USD | 20251022 |
| Shandong Hongyang Chem | China national standards | MT | 972.79 | USD | 20251021 |
| Sinopec | China national standards | MT | 866.53 | USD | 20251020 |
| Sinopec | China national standards | MT | 866.53 | USD | 20251020 |
| Sanjiang Chem | China national standards | MT | 866.53 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 972.2 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 972.53 | USD | 20251017 |
| Shandong Hongyang Chem | China national standards | MT | 972.27 | USD | 20251016 |
| Sinopec | China national standards | MT | 866.26 | USD | 20251015 |
| Sinopec | China national standards | MT | 866.26 | USD | 20251015 |