| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 975.07 | USD | 20251208 |
| Shandong Qiangsen Chem | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Hualu | China national standards | MT | 939.74 | USD | 20251208 |
| Wuhan Hengjiu Chem | China national standards | MT | 1172.91 | USD | 20251208 |
| Nanjing Waien Chem | China national standards | MT | 925.61 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 975.07 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1088.12 | USD | 20251208 |
| Guangzhou Tianyue Chem | China national standards | MT | 1229.44 | USD | 20251208 |
| Shandong Daoqin Chem | China national standards | MT | 918.55 | USD | 20251208 |
| Shandong Daoqin Chem | China national standards | MT | 946.81 | USD | 20251208 |