| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 763.21 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.01 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 848.01 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.78 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.53 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.53 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |