| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 917.61 | USD | 20251107 |
| Shandong Junfeng | China national standards | MT | 988.2 | USD | 20251107 |
| Shandong Yuanhe Chem | China national standards | MT | 1072.9 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1101.14 | USD | 20251107 |
| Beijing Yanshan Petro | China national standards | MT | 889.38 | USD | 20251107 |
| Shiyou Yangzhou Chem | China national standards | MT | 889.38 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1115.25 | USD | 20251107 |
| Beijing Yanshan Petro | China national standards | MT | 1058.78 | USD | 20251107 |
| Shandong Xingpeng Chem | China national standards | MT | 903.5 | USD | 20251107 |
| Jinan Jinhao Chem | China national standards | MT | 1242.31 | USD | 20251107 |