| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.11 | USD | 20251027 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.51 | USD | 20251027 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.75 | USD | 20251026 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.21 | USD | 20251026 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.21 | USD | 20251026 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.75 | USD | 20251024 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.21 | USD | 20251024 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.21 | USD | 20251024 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.28 | USD | 20251023 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.83 | USD | 20251023 |