| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 747.74 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 747.74 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.5 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.5 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.5 | USD | 20251031 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 747.91 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 747.91 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.69 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.69 | USD | 20251030 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.69 | USD | 20251030 |