| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 899.01 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1298.41 | USD | 20251118 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.97 | USD | 20251118 |
| Lihuayi Shandong | China national standards | MT | 896.18 | USD | 20251118 |
| Zibo Lishuo Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong Xima | China national standards | MT | 973.81 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 1333.69 | USD | 20251118 |
| Sinopec | China national standards | MT | 1227.84 | USD | 20251118 |
| Zibo Lishuo Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong Jinwen Chem | China national standards | MT | 1199.62 | USD | 20251118 |