| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.63 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.63 | USD | 20251126 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.08 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.08 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.69 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.69 | USD | 20251124 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.17 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.17 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.61 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.61 | USD | 20251120 |