| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1086.34 | USD | 20251101 |
| Shandong Qiangsen Chem | China national standards | MT | 1255.64 | USD | 20251101 |
| Sinopec | China national standards | MT | 1269.75 | USD | 20251031 |
| Shanghai Juexin | China national standards | MT | 1269.75 | USD | 20251031 |
| Hunan JinyuChem | China national standards | MT | 1100.45 | USD | 20251031 |
| Jinan Aochen Chem | China national standards | MT | 1551.92 | USD | 20251031 |
| Wuhan Hengjiu Chem | China national standards | MT | 1086.34 | USD | 20251031 |
| Shandong Xima | China national standards | MT | 1086.34 | USD | 20251031 |
| Shandong Qiangsen Chem | China national standards | MT | 1255.64 | USD | 20251031 |
| Shanghai Juexin | China national standards | MT | 1270.04 | USD | 20251030 |