| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 882.86 | USD | 20250819 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 784.76 | USD | 20250819 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 743.11 | USD | 20250818 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 813.21 | USD | 20250818 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 813.21 | USD | 20250818 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 813.21 | USD | 20250818 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 813.21 | USD | 20250818 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 813.21 | USD | 20250818 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 701.05 | USD | 20250818 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 701.05 | USD | 20250818 |