| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Guanshan Energy | China national standards | MT | 933.09 | USD | 20251204 |
| Zibo Dehe Chem | China national standards | MT | 961.36 | USD | 20251204 |
| Nantong Zhonghe Chem | China national standards | MT | 904.81 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Aite Chem | China national standards | MT | 1102.41 | USD | 20251203 |
| Shandong Daoqin Chem | China national standards | MT | 946.94 | USD | 20251203 |
| Guangzhou Tianyue Chem | China national standards | MT | 1229.61 | USD | 20251203 |
| Guangzhou Tianyue Chem | China national standards | MT | 1215.48 | USD | 20251203 |
| Shandong Daoqin Chem | China national standards | MT | 918.68 | USD | 20251203 |
| Shandong Fusheng | China national standards | MT | 890.41 | USD | 20251203 |