| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1003.38 | USD | 20250819 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 980.96 | USD | 20250819 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1037.01 | USD | 20250819 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1191.16 | USD | 20250819 |