| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.76 | USD | 20251029 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.76 | USD | 20251029 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.52 | USD | 20251028 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.52 | USD | 20251028 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.06 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.06 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.19 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.19 | USD | 20251024 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.37 | USD | 20251023 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.37 | USD | 20251023 |