| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 713.79 | USD | 20251205 |
| Shandong Xingpeng Chem | China national standards | MT | 713.79 | USD | 20251205 |
| Luxi Chem | China national standards | MT | 890.47 | USD | 20251205 |
| Qingdao Shengze Chem | China national standards | MT | 713.79 | USD | 20251205 |
| Zibo Lishuo Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Luxi Chem | China national standards | MT | 734.99 | USD | 20251205 |
| Sinopec | China national standards | MT | 1060.09 | USD | 20251205 |
| Zibo Lishuo Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Shandong Xingpeng Chem | China national standards | MT | 727.93 | USD | 20251205 |
| Luxi Chem | China national standards | MT | 848.07 | USD | 20251205 |