| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.63 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.63 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1270.9 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.26 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.1 | USD | 20251114 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1270.74 | USD | 20251114 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.45 | USD | 20251114 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.45 | USD | 20251114 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.35 | USD | 20251113 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1270.02 | USD | 20251113 |