| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 763.94 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 763.94 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 763.94 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 749.79 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Xingpeng Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Wuhan Hengjiu Chem | China national standards | MT | 990.3 | USD | 20251211 |