| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Energy | China national standards | MT | 1018.59 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 1061.03 | USD | 20251211 |
| Lihuayi Shandong | China national standards | MT | 2164.5 | USD | 20251211 |
| Jiangsu Huachang Chem | China national standards | MT | 2164.5 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 2164.5 | USD | 20251211 |
| Wanhua Chem | China national standards | MT | 2164.5 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 2192.8 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 2164.5 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 2164.5 | USD | 20251211 |
| Shandong Junfeng | China national standards | MT | 2164.5 | USD | 20251211 |