| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Chem | China national standards | MT | 1074.46 | USD | 20251204 |
| Shandong Hualu | China national standards | MT | 1003.77 | USD | 20251204 |
| Shandong Yaoming Chem | China national standards | MT | 819.99 | USD | 20251204 |
| Jinan Aochen Chem | China national standards | MT | 1314.8 | USD | 20251204 |
| Jinan Qi Mat | China national standards | MT | 940.16 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1081.53 | USD | 20251204 |
| Liaocheng Yuanze Chem | China national standards | MT | 876.54 | USD | 20251204 |
| Hualu Holdings | China national standards | MT | 1314.8 | USD | 20251204 |
| Nantong Zhonghe Chem | China national standards | MT | 1122.53 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1102.74 | USD | 20251204 |