| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251122 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.2 | USD | 20251122 |
| Jiangsu Yingte Chem | China national standards | MT | 1142.86 | USD | 20251122 |
| Shandong Yaowang Chem | China national standards | MT | 1834.22 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251122 |
| Shandong Xingpeng Chem | China national standards | MT | 1622.57 | USD | 20251122 |
| Shandong Haili Chem | China national standards | MT | 1199.29 | USD | 20251122 |
| Shandong Xima | China national standards | MT | 846.56 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251122 |