| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 912.49 | USD | 20251211 |
| Sinopec | China national standards | MT | 933.71 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Lihuayi Shandong | China national standards | MT | 925.22 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Zibo Lishuo Chem | China national standards | MT | 990.3 | USD | 20251211 |