| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.27 | USD | 20251208 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 537.0 | USD | 20251208 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.27 | USD | 20251208 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.37 | USD | 20251205 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 537.11 | USD | 20251205 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.37 | USD | 20251205 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.47 | USD | 20251204 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.47 | USD | 20251204 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.34 | USD | 20251203 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.34 | USD | 20251203 |