| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Yuanfei Chem | 31percent | MT | 84.88 | USD | 20251211 |
| Jinan Yuanfei Chem | 31percent | MT | 84.71 | USD | 20251125 |
| Jinan Yuanfei Chem | 31percent | MT | 84.68 | USD | 20251110 |
| Jinan Yuanfei Chem | 31percent | MT | 84.68 | USD | 20251110 |
| Jinan Yuanfei Chem | 31percent | MT | 84.63 | USD | 20251105 |
| Jinan Yuanfei Chem | 31percent | MT | 84.63 | USD | 20251105 |
| Jinan Yuanfei Chem | 31percent | MT | 84.65 | USD | 20251031 |
| Jinan Yuanfei Chem | 31percent | MT | 84.51 | USD | 20251015 |
| Jinan Yuanfei Chem | 31percent | MT | 84.45 | USD | 20251011 |
| Jinan Yuanfei Chem | 31percent | MT | 84.45 | USD | 20251011 |