| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1102.41 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.68 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1101.79 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.04 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.04 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.04 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1102.33 | USD | 20251201 |