| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 840.55 | USD | 20250808 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1050.69 | USD | 20250808 |
| Jiangsu Haixing Chemical Co., Ltd. | China national standards | MT | 1134.74 | USD | 20250808 |
| Dongying Liancheng Chemical Co., Ltd. | China national standards | MT | 1190.78 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1141.74 | USD | 20250808 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1134.74 | USD | 20250808 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1331.56 | USD | 20250807 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1401.64 | USD | 20250807 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1401.64 | USD | 20250807 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1401.64 | USD | 20250807 |