| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.41 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.41 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.67 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.67 | USD | 20251202 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.32 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.32 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.76 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.76 | USD | 20251128 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.95 | USD | 20251127 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1313.95 | USD | 20251127 |