| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Feiyuan Chem | China national standards | MT | 1554.7 | USD | 20251210 |
| Shandong Yushuo Chem | China national standards | MT | 1568.84 | USD | 20251210 |
| Shandong Mingyu | China national standards | MT | 1696.04 | USD | 20251210 |
| Shandong Yuxuan Chem | China national standards | MT | 1823.24 | USD | 20251210 |
| Jinan Qi Mat | China national standards | MT | 1526.44 | USD | 20251210 |
| Shandong Yihe Chem | China national standards | MT | 1639.51 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 1512.3 | USD | 20251210 |
| Shandong Mengkanda Chem | China national standards | MT | 1081.23 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 1696.04 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1187.23 | USD | 20251210 |