| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1144.81 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1190.04 | USD | 20251203 |
| Shandong Yihe Chem | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1175.91 | USD | 20251203 |
| Shandong Zhiheng | China national standards | MT | 1130.68 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1180.15 | USD | 20251203 |
| Shandong Jinling Chem | China national standards | MT | 1031.74 | USD | 20251203 |
| Shandong Mingyu | China national standards | MT | 1257.88 | USD | 20251203 |
| Jinan Qi Mat | China national standards | MT | 1116.54 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1095.34 | USD | 20251203 |