| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 777.35 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 890.42 | USD | 20251210 |
| Wanhua Chem | China national standards | MT | 1045.89 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 989.36 | USD | 20251210 |
| Zibo Lishuo Chem | China national standards | MT | 848.02 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Shandong Yeyang Chem | China national standards | MT | 791.49 | USD | 20251210 |
| Shandong Mingyu | China national standards | MT | 862.15 | USD | 20251210 |
| Shanghai Huayi | China national standards | MT | 918.69 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 819.75 | USD | 20251210 |