| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1166.52 | USD | 20250926 |
| Shandong Hongyang Chem | China national standards | MT | 1089.22 | USD | 20250926 |
| Shandong Hongyang Chem | China national standards | MT | 1183.38 | USD | 20250926 |
| Shandong Jinling Chem | China national standards | MT | 1117.33 | USD | 20250926 |
| Shandong Xingpeng Chem | China national standards | MT | 1076.6 | USD | 20250925 |
| Shandong Huize Chem | China national standards | MT | 1045.64 | USD | 20250925 |
| Shandong Jinling Chem | China national standards | MT | 1027.34 | USD | 20250925 |
| Shandong Junfeng | China national standards | MT | 1196.22 | USD | 20250925 |
| Befar | China national standards | MT | 886.61 | USD | 20250925 |
| Wanhua Chem | China national standards | MT | 985.12 | USD | 20250925 |