| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 790.07 | USD | 20251101 |
| Aite Zhejiang | China national standards | MT | 705.42 | USD | 20251101 |
| Shandong Yeyang Chem | China national standards | MT | 761.85 | USD | 20251101 |
| Shandong Yeyang Chem | China national standards | MT | 775.96 | USD | 20251101 |
| JIN Yimeng | China national standards | MT | 712.47 | USD | 20251101 |
| Shandong Junfeng | China national standards | MT | 775.96 | USD | 20251101 |
| JIN Yimeng | China national standards | MT | 811.23 | USD | 20251101 |
| Shandong Xingpeng Chem | China national standards | MT | 747.74 | USD | 20251101 |
| JIN Yimeng | China national standards | MT | 811.23 | USD | 20251101 |
| Shandong Mingyu | China national standards | MT | 811.23 | USD | 20251101 |