| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.81 | USD | 20251108 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.45 | USD | 20251107 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.81 | USD | 20251107 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.81 | USD | 20251107 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.96 | USD | 20251105 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.39 | USD | 20251105 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.39 | USD | 20251105 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.49 | USD | 20251104 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.49 | USD | 20251104 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.61 | USD | 20251103 |