| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 900.37 | USD | 20251205 |
| Changzhou Juyun Mat | China national standards | MT | 1356.91 | USD | 20251205 |
| Beijing Yanshan Petro | China national standards | MT | 1222.63 | USD | 20251205 |
| Shandong Jinwen Chem | China national standards | MT | 1201.43 | USD | 20251205 |
| Shandong Shuojia Chem | China national standards | MT | 900.37 | USD | 20251205 |
| Lihuayi Shandong | China national standards | MT | 890.47 | USD | 20251205 |
| Lihuayi Shandong | China national standards | MT | 890.47 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 1173.16 | USD | 20251205 |
| Sinopec | China national standards | MT | 894.71 | USD | 20251205 |
| Shandong Hongyang Chem | China national standards | MT | 1194.36 | USD | 20251205 |