| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1012.26 | USD | 20250919 |
| Dongying HuataiChem | China national standards | MT | 1012.26 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1265.32 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1138.79 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1138.79 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1138.79 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 1139.48 | USD | 20250918 |
| Shandong Jinling Chem | China national standards | MT | 1139.48 | USD | 20250918 |
| Shandong Aite Chem | China national standards | MT | 1139.48 | USD | 20250918 |
| Befar | China national standards | MT | 886.26 | USD | 20250918 |