| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.7 | USD | 20251013 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 535.16 | USD | 20251013 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 534.85 | USD | 20251012 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.44 | USD | 20251012 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.44 | USD | 20251012 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.44 | USD | 20251011 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.44 | USD | 20251011 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 534.85 | USD | 20251011 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 534.85 | USD | 20251010 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 457.44 | USD | 20251010 |