| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.08 | USD | 20251202 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.08 | USD | 20251202 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.31 | USD | 20251201 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.31 | USD | 20251201 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.11 | USD | 20251130 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.11 | USD | 20251130 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.81 | USD | 20251130 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.11 | USD | 20251129 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.81 | USD | 20251129 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.11 | USD | 20251129 |