| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1173.95 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1250.14 | USD | 20251119 |
| Shandong Hongyang Chem | China national standards | MT | 1072.36 | USD | 20251119 |
| Shandong Xima | China national standards | MT | 917.15 | USD | 20251119 |
| Shandong Shuojia Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Shandong Haili Chem | China national standards | MT | 807.09 | USD | 20251119 |
| Shandong Haili Chem | China national standards | MT | 807.09 | USD | 20251119 |
| Suzhou Zixu Mat | China national standards | MT | 1523.87 | USD | 20251119 |
| Wuhan Hengjiu Chem | China national standards | MT | 973.59 | USD | 20251119 |
| Luxi Chem | China national standards | MT | 1001.81 | USD | 20251119 |