| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petro | China national standards | MT | 1059.49 | USD | 20251128 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1158.37 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 1101.87 | USD | 20251128 |
| Zhejiang PetroChem | China national standards | MT | 889.97 | USD | 20251128 |
| Shanghai SinoMitsui | China national standards | MT | 889.97 | USD | 20251128 |
| Shandong Aite Chem | China national standards | MT | 1243.13 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1115.99 | USD | 20251128 |
| Shandong Junfeng | China national standards | MT | 1059.49 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1115.99 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1101.87 | USD | 20251128 |