| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.31 | USD | 20251104 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.31 | USD | 20251104 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.65 | USD | 20251103 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1269.98 | USD | 20251103 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.32 | USD | 20251103 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.65 | USD | 20251103 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.4 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.4 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1269.75 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.4 | USD | 20251031 |