| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chem | China national standards | MT | 689.61 | USD | 20251008 |
| JIN Yimeng | China national standards | MT | 689.61 | USD | 20251008 |
| Qingdao Shengze Chem | China national standards | MT | 689.61 | USD | 20251008 |
| JIN Yimeng | China national standards | MT | 689.61 | USD | 20251008 |
| Shandong Xingpeng Chem | China national standards | MT | 745.9 | USD | 20251008 |
| JIN Yimeng | China national standards | MT | 717.75 | USD | 20251008 |
| Shandong Shuojia Chem | China national standards | MT | 731.83 | USD | 20251008 |
| Shandong Shuojia Chem | China national standards | MT | 731.83 | USD | 20251008 |
| Yankuang Guotai Chem | China national standards | MT | 731.83 | USD | 20251008 |
| Shandong Shuojia Chem | China national standards | MT | 731.83 | USD | 20251008 |