| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 917.76 | USD | 20251115 |
| Shandong Yuxuan Chem | China national standards | MT | 847.16 | USD | 20251115 |
| Luxi Chem | China national standards | MT | 1058.95 | USD | 20251115 |
| Luxi Chem | China national standards | MT | 727.14 | USD | 20251115 |
| Zibo Lishuo Chem | China national standards | MT | 917.76 | USD | 20251115 |
| Shandong Energy | China national standards | MT | 1016.59 | USD | 20251115 |
| Qingdao Shengze Chem | China national standards | MT | 727.14 | USD | 20251115 |
| Lihuayi Shandong | China national standards | MT | 727.14 | USD | 20251115 |
| Aite Zhejiang | China national standards | MT | 988.35 | USD | 20251115 |
| Qingdao Shengze Chem | China national standards | MT | 727.14 | USD | 20251115 |