| Vendor | Spec | Unit | Price | Currency | Date |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 844.39 | USD | 20250923 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.95 | USD | 20250923 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.19 | USD | 20250920 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.19 | USD | 20250919 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |
| Kellin Chemicals (Zhangjiagang) Co., Ltd. | China national standards | MT | 844.06 | USD | 20250918 |