| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 907.37 | USD | 20251203 |
| Sinopec | China national standards | MT | 1130.68 | USD | 20251203 |
| Zibo Lishuo Chem | China national standards | MT | 989.34 | USD | 20251203 |
| Beijing Yanshan Petro | China national standards | MT | 1222.55 | USD | 20251203 |
| Lihuayi Shandong | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Jinwen Chem | China national standards | MT | 1201.35 | USD | 20251203 |
| Shandong Yuhuang Chem | China national standards | MT | 1293.21 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1194.28 | USD | 20251203 |
| Changzhou Juyun Mat | China national standards | MT | 1356.81 | USD | 20251203 |
| Shandong Langchem | China national standards | MT | 1300.28 | USD | 20251203 |