| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 918.69 | USD | 20251210 |
| Luxi Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Zaozhuang Yitai | China national standards | MT | 1060.03 | USD | 20251210 |
| Shandong Xingpeng Chem | China national standards | MT | 727.88 | USD | 20251210 |
| Shandong Energy | China national standards | MT | 1017.62 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 742.02 | USD | 20251210 |
| Luxi Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Liaocheng Yuanze Chem | China national standards | MT | 862.15 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 946.96 | USD | 20251210 |
| Zibo Lishuo Chem | China national standards | MT | 918.69 | USD | 20251210 |