| Vendor | Spec | Unit | Price | Currency | Date |
| Wudi Xinyue Chem | China national standards | MT | 1116.62 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1190.12 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 1173.16 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1215.56 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 1272.1 | USD | 20251205 |
| Befar | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Jinling Chem | China national standards | MT | 1116.62 | USD | 20251205 |
| Hunan Qilu Tech | China national standards | MT | 1257.97 | USD | 20251205 |
| Dongying HuataiChem | China national standards | MT | 1116.62 | USD | 20251205 |
| Shandong Xingpeng Chem | China national standards | MT | 1081.29 | USD | 20251205 |