| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.75 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.51 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 748.63 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 720.07 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 720.07 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.15 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.15 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.15 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.9 | USD | 20251124 |