| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 904.61 | USD | 20251205 |
| Lihuayi Shandong | China national standards | MT | 894.71 | USD | 20251205 |
| Zibo Lishuo Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 1173.16 | USD | 20251205 |
| Sinopec | China national standards | MT | 932.88 | USD | 20251205 |
| Zibo Lishuo Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 1335.71 | USD | 20251205 |
| Changzhou Juyun Mat | China national standards | MT | 1342.78 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 900.37 | USD | 20251205 |
| Beijing Yanshan Petro | China national standards | MT | 894.71 | USD | 20251205 |