| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Jurong Jiangsu | China national standards | MT | 847.95 | USD | 20251201 |
| Jurong Jiangsu | China national standards | MT | 918.61 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1059.94 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 1243.66 | USD | 20251201 |
| Sinopec | China national standards | MT | 791.42 | USD | 20251201 |
| Sinopec | China national standards | MT | 791.42 | USD | 20251201 |
| Sinopec | China national standards | MT | 791.42 | USD | 20251201 |
| Shandong Mingyu | China national standards | MT | 862.08 | USD | 20251201 |