| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 389.69 | USD | 20251114 |
| Shandong Hualu | China national standards | MT | 369.93 | USD | 20251114 |
| Shandong Shuntian Chem | China national standards | MT | 338.86 | USD | 20251114 |
| Shijiazhuang Baipo Chem | China national standards | MT | 341.69 | USD | 20251114 |
| Shandong Shuntian Chem | China national standards | MT | 338.67 | USD | 20251113 |
| Shandong Yuxuan Chem | China national standards | MT | 338.67 | USD | 20251113 |
| Shandong Hualu | China national standards | MT | 321.74 | USD | 20251113 |
| Shijiazhuang Baipo Chem | China national standards | MT | 341.49 | USD | 20251113 |
| Shandong Hualu | China national standards | MT | 366.89 | USD | 20251113 |
| Shandong Yuxuan Chem | China national standards | MT | 338.67 | USD | 20251113 |