| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Shandong Wonfull Petro | China national standards | MT | 749.08 | USD | 20251210 |
| Jinan Angxin Chem | China national standards | MT | 749.08 | USD | 20251210 |
| Zibo Lishuo Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Zibo Lishuo Chem | China national standards | MT | 819.75 | USD | 20251210 |
| Shanghai Ronghe Chem | China national standards | MT | 763.22 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 714.46 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 699.62 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 699.62 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 699.62 | USD | 20251210 |