| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.77 | USD | 20250928 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.77 | USD | 20250928 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.77 | USD | 20250927 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.77 | USD | 20250927 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.77 | USD | 20250926 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.77 | USD | 20250926 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.77 | USD | 20250926 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.77 | USD | 20250926 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 435.69 | USD | 20250926 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.38 | USD | 20250924 |