| Vendor | Spec | Unit | Price | Currency | Date |
| Befar | China national standards | MT | 1125.79 | USD | 20260106 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1104.41 | USD | 20260106 |
| Befar | China national standards | MT | 1109.72 | USD | 20260104 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1095.49 | USD | 20260104 |
| Befar | China national standards | MT | 1122.99 | USD | 20251230 |
| Befar | China national standards | MT | 1122.99 | USD | 20251230 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1108.77 | USD | 20251230 |
| Shandong Aite Chem | China national standards | MT | 1273.24 | USD | 20251211 |
| Shandong Jinling Chem | China national standards | MT | 1103.47 | USD | 20251211 |
| Hangjin Tech | China national standards | MT | 1089.32 | USD | 20251211 |