| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1099.68 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1099.68 | USD | 20251021 |
| Beijing Yanshan Petro | China national standards | MT | 1057.38 | USD | 20251021 |
| Shandong Aite Chem | China national standards | MT | 1240.66 | USD | 20251021 |
| Beijing Yanshan Petro | China national standards | MT | 944.59 | USD | 20251021 |
| Lihuayi Weiyuan Chem | China national standards | MT | 944.59 | USD | 20251021 |
| Lihuayi Weiyuan Chem | China national standards | MT | 993.94 | USD | 20251021 |
| Changzhou Jiaye Chem | China national standards | MT | 1663.61 | USD | 20251021 |
| Zibo Jinshuo Chem | China national standards | MT | 944.59 | USD | 20251021 |
| Qingdao Shengze Chem | China national standards | MT | 919.22 | USD | 20251021 |