| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 1525.66 | USD | 20251130 |
| Shandong Yeyang Chem | China national standards | MT | 1151.31 | USD | 20251129 |
| Dongying Lianchem | China national standards | MT | 1200.75 | USD | 20251129 |
| Shandong Xima | China national standards | MT | 847.59 | USD | 20251129 |
| Shandong Haili Chem | China national standards | MT | 1695.18 | USD | 20251129 |
| Shandong Xingpeng Chem | China national standards | MT | 1624.55 | USD | 20251129 |
| Shandong Qiangsen Chem | China national standards | MT | 1059.49 | USD | 20251129 |
| Aite Zhejiang | China national standards | MT | 1271.38 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1175.32 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 1539.79 | USD | 20251129 |