| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 537.59 | USD | 20251211 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 411.68 | USD | 20251211 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 411.68 | USD | 20251211 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 537.08 | USD | 20251210 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 411.29 | USD | 20251210 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 411.29 | USD | 20251210 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 411.17 | USD | 20251209 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.93 | USD | 20251209 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 411.17 | USD | 20251209 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 459.27 | USD | 20251208 |