| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.45 | USD | 20251016 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1310.45 | USD | 20251016 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1309.95 | USD | 20251015 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1309.95 | USD | 20251015 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1309.47 | USD | 20251014 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1309.47 | USD | 20251014 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1308.97 | USD | 20251011 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1308.97 | USD | 20251011 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1308.97 | USD | 20251010 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1308.97 | USD | 20251010 |