| 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 |
| Yancheng SUPER Chem | China national standards | MT | 758.28 | USD | 20251211 |
| Shandong Hongyang Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 925.76 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 890.42 | USD | 20251210 |