| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.61 | USD | 20251103 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.52 | USD | 20251102 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.52 | USD | 20251102 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.12 | USD | 20251101 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.52 | USD | 20251101 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.52 | USD | 20251101 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.52 | USD | 20251031 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.52 | USD | 20251031 |
| Liaocheng Yuanze Chemical Co., Ltd. | 90% | MT | 536.12 | USD | 20251031 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 458.62 | USD | 20251030 |