| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1271.92 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.72 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.32 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.72 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.14 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1271.38 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.14 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.76 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.14 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.33 | USD | 20251127 |