| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1591.66 | USD | 20251015 |
| Qingdao Shengze Chem | China national standards | MT | 1591.66 | USD | 20251015 |
| Qingdao Shengze Chem | China national standards | MT | 1591.66 | USD | 20251015 |
| Shandong Xingpeng Chem | China national standards | MT | 1831.11 | USD | 20251015 |
| Nantong Zhonghe Chem | China national standards | MT | 1788.86 | USD | 20251015 |
| Shandong Yushuo Chem | China national standards | MT | 1746.6 | USD | 20251015 |
| Shandong Yushuo Chem | China national standards | MT | 1774.77 | USD | 20251015 |
| Shandong Yushuo Chem | China national standards | MT | 1746.6 | USD | 20251015 |
| Shandong Yushuo Chem | China national standards | MT | 1746.6 | USD | 20251015 |
| Shandong Shuojia Chem | China national standards | MT | 1760.69 | USD | 20251015 |