| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 1382.72 | USD | 20251121 |
| Aite Zhejiang | China national standards | MT | 1312.17 | USD | 20251121 |
| Shandong Aite Chem | China national standards | MT | 1199.29 | USD | 20251121 |
| Sinopec | China national standards | MT | 1128.75 | USD | 20251121 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1326.28 | USD | 20251121 |
| Nanjing Runsheng Petro | China national standards | MT | 903.0 | USD | 20251121 |
| Lihuayi Shandong | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Laya Chem | China national standards | MT | 973.54 | USD | 20251121 |
| Nanjing Runsheng Petro | China national standards | MT | 903.0 | USD | 20251121 |
| Beijing Yanshan Petro | China national standards | MT | 1156.97 | USD | 20251121 |