| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.22 | USD | 20251111 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.61 | USD | 20251111 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.61 | USD | 20251111 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.68 | USD | 20251110 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.68 | USD | 20251110 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.3 | USD | 20251110 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.81 | USD | 20251109 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.45 | USD | 20251109 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.81 | USD | 20251109 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.81 | USD | 20251108 |