| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 908.8 | USD | 20251210 |
| Shandong Mingyu | China national standards | MT | 1052.96 | USD | 20251210 |
| Hunan Qilu Tech | China national standards | MT | 1031.76 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 805.62 | USD | 20251210 |
| Beijing Yanshan Petro | China national standards | MT | 805.62 | USD | 20251210 |
| Shanghai Wanzhong | China national standards | MT | 819.75 | USD | 20251210 |
| Shiyou Yangzhou Chem | China national standards | MT | 826.82 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Zibo Jinshuo Chem | China national standards | MT | 848.02 | USD | 20251210 |