| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Waien Chem | China national standards | MT | 910.09 | USD | 20251119 |
| Nanjing Waien Chem | China national standards | MT | 931.26 | USD | 20251119 |
| Shandong Hualu | China national standards | MT | 1030.03 | USD | 20251119 |
| Jinan Angxin Chem | China national standards | MT | 959.48 | USD | 20251119 |
| Jinan Aochen Chem | China national standards | MT | 1086.47 | USD | 20251119 |
| Jinan Jinrihe Chem | China national standards | MT | 945.37 | USD | 20251119 |
| Jinan Jinrihe Chem | China national standards | MT | 931.26 | USD | 20251119 |
| Nanjing Guanshan Energy | China national standards | MT | 924.2 | USD | 20251119 |
| Shandong Shuojia Chem | China national standards | MT | 973.81 | USD | 20251118 |
| Shandong Shuojia Chem | China national standards | MT | 973.81 | USD | 20251118 |