| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 959.48 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 917.15 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 987.7 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1241.68 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 917.35 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1241.96 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 959.69 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 960.23 | USD | 20251117 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 988.48 | USD | 20251117 |