| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1013.02 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.79 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.79 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.79 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.79 | USD | 20250816 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.79 | USD | 20250816 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 966.78 | USD | 20250816 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1036.84 | USD | 20250816 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1013.02 | USD | 20250815 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 966.78 | USD | 20250815 |