| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chem | China national standards | MT | 1343.08 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 900.57 | USD | 20251204 |
| Shandong Langchem | China national standards | MT | 1300.67 | USD | 20251204 |
| Shandong Shuojia Chem | China national standards | MT | 900.57 | USD | 20251204 |
| Lihuayi Shandong | China national standards | MT | 1248.36 | USD | 20251204 |
| Sinopec | China national standards | MT | 932.81 | USD | 20251203 |
| Lihuayi Shandong | China national standards | MT | 890.41 | USD | 20251203 |
| Lihuayi Shandong | China national standards | MT | 890.41 | USD | 20251203 |
| Shandong Yuhuang Chem | China national standards | MT | 1370.95 | USD | 20251203 |
| Lihuayi Shandong | China national standards | MT | 890.41 | USD | 20251203 |