| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Chem | China national standards | MT | 875.26 | USD | 20251108 |
| Lihuayi Shandong | China national standards | MT | 734.09 | USD | 20251108 |
| Luxi Chem | China national standards | MT | 734.09 | USD | 20251108 |
| CNPC | China national standards | MT | 734.09 | USD | 20251108 |
| Qingdao Shengze Chem | China national standards | MT | 727.03 | USD | 20251108 |
| Qingdao Shengze Chem | China national standards | MT | 727.03 | USD | 20251108 |
| Luxi Chem | China national standards | MT | 727.03 | USD | 20251108 |
| Lihuayi Shandong | China national standards | MT | 727.03 | USD | 20251108 |
| Shandong Xingpeng Chem | China national standards | MT | 734.09 | USD | 20251108 |
| Luxi Chem | China national standards | MT | 776.44 | USD | 20251108 |