| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Daoqin Chem | China national standards | MT | 945.98 | USD | 20251125 |
| Nanjing Guanshan Energy | China national standards | MT | 924.8 | USD | 20251125 |
| Shandong Hualu | China national standards | MT | 1030.69 | USD | 20251125 |
| Shandong Shuojia Chem | China national standards | MT | 974.22 | USD | 20251125 |
| Shandong Shuojia Chem | China national standards | MT | 974.22 | USD | 20251125 |
| Nanjing Guanshan Energy | China national standards | MT | 938.92 | USD | 20251125 |
| Jinan Jinrihe Chem | China national standards | MT | 931.86 | USD | 20251125 |
| Shandong Fusheng | China national standards | MT | 1101.29 | USD | 20251125 |
| Jinan Jinrihe Chem | China national standards | MT | 903.62 | USD | 20251125 |
| Nanjing Waien Chem | China national standards | MT | 917.74 | USD | 20251125 |