| Vendor | Spec | Unit | Price | Currency | Date |
| Formosa Ningbo | China national standards | MT | 890.35 | USD | 20251201 |
| Wanhua Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Sinopec | China national standards | MT | 791.42 | USD | 20251201 |
| Shandong Kaitai Petro | China national standards | MT | 890.35 | USD | 20251201 |
| Formosa Ningbo | China national standards | MT | 989.27 | USD | 20251201 |
| Hubei 789 Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 883.28 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 1201.26 | USD | 20251201 |
| Sinopec | China national standards | MT | 791.42 | USD | 20251201 |
| Sinopec | China national standards | MT | 791.42 | USD | 20251201 |