| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 1054.08 | USD | 20250926 |
| Shandong Zhiheng | China national standards | MT | 1250.84 | USD | 20250926 |
| Shandong Hongyang Chem | China national standards | MT | 1124.35 | USD | 20250926 |
| Shandong Hongyang Chem | China national standards | MT | 1124.35 | USD | 20250926 |
| Qingdao Chengxin Chem | China national standards | MT | 1055.49 | USD | 20250925 |
| Shandong Hualu | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Yuxuan Chem | China national standards | MT | 1006.23 | USD | 20250925 |
| Jinan Dezheng Chem | China national standards | MT | 971.05 | USD | 20250925 |
| Hualu Holdings | China national standards | MT | 1308.81 | USD | 20250925 |
| Nantong Zhonghe Chem | China national standards | MT | 1117.41 | USD | 20250925 |