| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 364.02 | USD | 20251121 |
| Shandong Hualu | China national standards | MT | 361.05 | USD | 20251120 |
| Nantong Zhonghe Chem | China national standards | MT | 389.25 | USD | 20251120 |
| Shijiazhuang Baipo Chem | China national standards | MT | 337.07 | USD | 20251120 |
| Shandong Yuxuan Chem | China national standards | MT | 352.58 | USD | 20251120 |
| Shandong Yuxuan Chem | China national standards | MT | 352.58 | USD | 20251120 |
| Shandong Hualu | China national standards | MT | 321.56 | USD | 20251120 |
| Shandong Hualu | China national standards | MT | 321.56 | USD | 20251120 |
| Shandong Shuntian Chem | China national standards | MT | 338.48 | USD | 20251120 |
| Shandong Shuntian Chem | China national standards | MT | 338.64 | USD | 20251119 |