| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1175.99 | USD | 20251205 |
| Shandong Qiangsen Chem | China national standards | MT | 1060.09 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1272.1 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1314.51 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 1512.39 | USD | 20251205 |
| Shandong Haili Chem | China national standards | MT | 1696.14 | USD | 20251205 |
| Jinan Qi Mat | China national standards | MT | 1526.52 | USD | 20251205 |