| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1269.3 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1353.92 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1353.92 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1353.92 | USD | 20251120 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.22 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.55 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.55 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1269.9 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1312.52 | USD | 20251118 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1354.86 | USD | 20251118 |