| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1243.66 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 961.01 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 960.6 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1243.13 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 918.22 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1243.31 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 988.99 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 918.35 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 960.74 | USD | 20251127 |