| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 1526.52 | USD | 20251206 |
| Shandong Qiangsen Chem | China national standards | MT | 1060.09 | USD | 20251206 |
| Shandong Xima | China national standards | MT | 848.07 | USD | 20251206 |
| Jinan Jiaxing Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Aite Zhejiang | China national standards | MT | 1272.1 | USD | 20251205 |
| Dongying Lianchem | China national standards | MT | 1201.43 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Shandong Xingpeng Chem | China national standards | MT | 1625.46 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |