| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.39 | USD | 20251004 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.39 | USD | 20251004 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.39 | USD | 20251003 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.39 | USD | 20251003 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.39 | USD | 20251002 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.39 | USD | 20251002 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.39 | USD | 20251001 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.39 | USD | 20251001 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.17 | USD | 20250929 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.17 | USD | 20250929 |