| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chem | China national standards | MT | 1199.29 | USD | 20251123 |
| Shanghai Juexin | China national standards | MT | 1185.19 | USD | 20251123 |
| Sinopec | China national standards | MT | 1156.97 | USD | 20251123 |
| Shandong Yaowang Chem | China national standards | MT | 1015.87 | USD | 20251122 |
| Shandong Qiangsen Chem | China national standards | MT | 1255.73 | USD | 20251122 |
| Wuhan Hengjiu Chem | China national standards | MT | 1086.42 | USD | 20251122 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1086.42 | USD | 20251122 |
| Sinopec | China national standards | MT | 1185.19 | USD | 20251122 |
| Shandong Daoqin Chem | China national standards | MT | 1199.29 | USD | 20251122 |
| Shanghai Juexin | China national standards | MT | 1213.4 | USD | 20251122 |