| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1095.49 | USD | 20260104 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1108.77 | USD | 20251230 |
| Befar | China national standards | MT | 1122.99 | USD | 20251230 |
| Befar | China national standards | MT | 1122.99 | USD | 20251230 |
| Wanhua Chem | China national standards | MT | 1343.97 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1181.28 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1202.5 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1202.5 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1177.04 | USD | 20251211 |
| Shandong Langchem | China national standards | MT | 1216.65 | USD | 20251211 |