| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.72 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.88 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.79 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 733.88 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.27 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.27 | USD | 20251117 |