| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 1259.09 | USD | 20251211 |
| Sinopec | China national standards | MT | 1075.18 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 1088.29 | USD | 20251210 |
| Shandong Tongzhou Chem | China national standards | MT | 1413.37 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1060.03 | USD | 20251210 |
| Qingdao Xupu | China national standards | MT | 1031.76 | USD | 20251210 |
| Sinopec | China national standards | MT | 1074.16 | USD | 20251210 |
| Shanghai Juexin | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Daoqin Chem | China national standards | MT | 1201.36 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1060.03 | USD | 20251210 |