| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1131.77 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1103.47 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.37 | USD | 20251209 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |