| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 1291.35 | USD | 20251110 |
| Zibo Lishuo Chem | China national standards | MT | 987.92 | USD | 20251110 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.37 | USD | 20251110 |
| Shandong Yushuo Chem | China national standards | MT | 889.13 | USD | 20251110 |
| Kunlun Daqing Petro | China national standards | MT | 1199.62 | USD | 20251110 |
| Nanjing Runsheng Petro | China national standards | MT | 903.24 | USD | 20251110 |
| Shandong Shuojia Chem | China national standards | MT | 865.13 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1298.41 | USD | 20251110 |
| Changzhou Juyun Mat | China national standards | MT | 1354.86 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1333.69 | USD | 20251110 |