| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.43 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.03 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.69 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.03 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1270.34 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.17 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.5 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.5 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1269.84 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.61 | USD | 20251120 |