| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 791.36 | USD | 20251208 |
| Shandong Junfeng | China national standards | MT | 2162.12 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 960.94 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 946.81 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 791.36 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Yuanhe Chem | China national standards | MT | 876.15 | USD | 20251208 |
| CNPC | China national standards | MT | 791.36 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 975.07 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 960.94 | USD | 20251208 |