| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 728.57 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 728.57 | USD | 20251211 |
| Jinan Angxin Chem | China national standards | MT | 749.79 | USD | 20251211 |
| Shandong Wonfull Petro | China national standards | MT | 749.79 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 820.53 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 820.53 | USD | 20251211 |