| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1104.05 | USD | 20251009 |
| Shandong Jinwen Chem | China national standards | MT | 1040.76 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Qiangsen Chem | China national standards | MT | 984.5 | USD | 20251009 |
| Nantong Zhonghe Chem | China national standards | MT | 1116.71 | USD | 20251009 |
| Shandong Yihe Chem | China national standards | MT | 984.5 | USD | 20251009 |
| Shandong Yihe Chem | China national standards | MT | 998.57 | USD | 20251009 |
| Shandong Laya Chem | China national standards | MT | 998.57 | USD | 20251009 |
| Shandong Aite Chem | China national standards | MT | 1265.79 | USD | 20251009 |
| Shandong Aite Chem | China national standards | MT | 1265.79 | USD | 20251009 |