| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.28 | USD | 20250811 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 882.29 | USD | 20250811 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 700.23 | USD | 20250811 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 700.23 | USD | 20250811 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 798.26 | USD | 20250811 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 798.26 | USD | 20250811 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 784.26 | USD | 20250811 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 882.58 | USD | 20250809 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 812.53 | USD | 20250809 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 847.55 | USD | 20250809 |