| Vendor | Spec | Unit | Price | Currency | Date |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 844.42 | USD | 20250930 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.61 | USD | 20250929 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 844.01 | USD | 20250929 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 758.94 | USD | 20250927 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 758.94 | USD | 20250926 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 843.27 | USD | 20250926 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.95 | USD | 20250925 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.95 | USD | 20250924 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 844.39 | USD | 20250924 |