| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1237.66 | USD | 20251009 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1153.27 | USD | 20251009 |
| Beijing Yanshan Petro | China national standards | MT | 1167.34 | USD | 20251009 |
| Shandong Zhiheng | China national standards | MT | 1111.08 | USD | 20251009 |
| Beijing Yanshan Petro | China national standards | MT | 1111.08 | USD | 20251009 |
| Shandong Hongyang Chem | China national standards | MT | 1012.63 | USD | 20251009 |
| Sinopec | China national standards | MT | 914.78 | USD | 20251008 |
| Shiyou Yangzhou Chem | China national standards | MT | 971.08 | USD | 20251008 |
| Lihuayi Weiyuan Chem | China national standards | MT | 971.08 | USD | 20251008 |
| Beijing Yanshan Petro | China national standards | MT | 971.08 | USD | 20251008 |