| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 1060.03 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 887.59 | USD | 20251210 |
| Shandong Mingyu | China national standards | MT | 925.76 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 848.02 | USD | 20251210 |
| Shandong FUZE | China national standards | MT | 1060.03 | USD | 20251210 |
| Luxi Chem | China national standards | MT | 706.68 | USD | 20251210 |
| Shandong Energy | China national standards | MT | 1017.62 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 819.52 | USD | 20251209 |
| Luxi Chem | China national standards | MT | 819.52 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 741.81 | USD | 20251209 |