| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1314.06 | USD | 20251209 |
| Aite Zhejiang | China national standards | MT | 1314.06 | USD | 20251209 |
| Aite Zhejiang | China national standards | MT | 1158.63 | USD | 20251209 |
| Aite Zhejiang | China national standards | MT | 1158.63 | USD | 20251209 |
| Sinopec | China national standards | MT | 1130.37 | USD | 20251209 |
| Lihuayi Shandong | China national standards | MT | 989.08 | USD | 20251209 |
| Sinopec | China national standards | MT | 989.08 | USD | 20251209 |
| Beijing Yanshan Petro | China national standards | MT | 1158.63 | USD | 20251209 |
| Shandong Yuhuang Chem | China national standards | MT | 1292.87 | USD | 20251209 |
| Shandong Langchem | China national standards | MT | 1335.25 | USD | 20251209 |