| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.33 | USD | 20251108 |
| Shandong Langchem | China national standards | MT | 508.22 | USD | 20251107 |
| Sinopec | China national standards | MT | 614.09 | USD | 20251107 |
| Beijing Yanshan Petro | China national standards | MT | 635.27 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 628.21 | USD | 20251107 |
| CNPC | China national standards | MT | 636.68 | USD | 20251107 |
| Shanghai Guoke | China national standards | MT | 698.8 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 592.21 | USD | 20251107 |
| Shandong Zhiheng | China national standards | MT | 592.21 | USD | 20251107 |
| Shandong Zhenkun | China national standards | MT | 607.04 | USD | 20251107 |