| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Guanshan Energy | China national standards | MT | 931.47 | USD | 20251110 |
| Nanjing Guanshan Energy | China national standards | MT | 924.41 | USD | 20251110 |
| Shandong Fusheng | China national standards | MT | 889.13 | USD | 20251110 |
| Shandong Fusheng | China national standards | MT | 1100.82 | USD | 20251110 |
| Shandong Hualu | China national standards | MT | 931.47 | USD | 20251110 |
| Shandong Yihe Chem | China national standards | MT | 1270.18 | USD | 20251110 |
| Nanjing Waien Chem | China national standards | MT | 917.35 | USD | 20251110 |
| Jinan Jinrihe Chem | China national standards | MT | 931.73 | USD | 20251109 |
| Qingdao Shengze Chem | China national standards | MT | 974.08 | USD | 20251109 |
| Shandong Yihe Chem | China national standards | MT | 1270.54 | USD | 20251109 |