| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 775.96 | USD | 20251101 |
| Qingdao Shengze Chem | China national standards | MT | 729.4 | USD | 20251101 |
| Jinan Qi Mat | China national standards | MT | 712.47 | USD | 20251101 |
| Shandong Mingyu | China national standards | MT | 811.23 | USD | 20251101 |
| JIN Yimeng | China national standards | MT | 811.23 | USD | 20251101 |
| JIN Yimeng | China national standards | MT | 729.4 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 867.66 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 634.88 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 747.74 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 747.74 | USD | 20251101 |