| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 790.07 | USD | 20251031 |
| Shandong Shuojia Chem | China national standards | MT | 733.63 | USD | 20251031 |
| Shandong Mingyu | China national standards | MT | 811.23 | USD | 20251031 |
| Yankuang Guotai Chem | China national standards | MT | 712.47 | USD | 20251031 |
| Yankuang Guotai Chem | China national standards | MT | 774.55 | USD | 20251031 |
| JIN Yimeng | China national standards | MT | 733.63 | USD | 20251031 |
| Yankuang Guotai Chem | China national standards | MT | 740.69 | USD | 20251031 |
| Qingdao Chengxin Chem | China national standards | MT | 691.31 | USD | 20251031 |
| Shandong Yuanhe Chem | China national standards | MT | 917.04 | USD | 20251031 |
| Shandong Yuanhe Chem | China national standards | MT | 909.99 | USD | 20251031 |