| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1513.74 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 1513.74 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 1513.74 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 1570.33 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 1570.33 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 1570.33 | USD | 20251211 |
| Shandong Shuojia Chem | China national standards | MT | 1570.33 | USD | 20251211 |
| Nantong Zhonghe Chem | China national standards | MT | 1584.47 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 1513.74 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 1626.91 | USD | 20251211 |