| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 663.05 | USD | 20251104 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 663.24 | USD | 20251030 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 663.44 | USD | 20251029 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 663.32 | USD | 20251028 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 662.22 | USD | 20251020 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 662.45 | USD | 20251018 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 661.52 | USD | 20251011 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 661.52 | USD | 20251010 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 661.02 | USD | 20251009 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 661.44 | USD | 20250925 |