| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.75 | USD | 20250829 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.75 | USD | 20250829 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.82 | USD | 20250828 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.82 | USD | 20250828 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1688.64 | USD | 20250828 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1125.76 | USD | 20250828 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 788.03 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.18 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.18 | USD | 20250828 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 816.18 | USD | 20250828 |