| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jiaen Chem | China national standards | MT | 952.42 | USD | 20251119 |
| Sinopec | China national standards | MT | 888.93 | USD | 20251119 |
| Jinan Jinrihe Chem | China national standards | MT | 987.7 | USD | 20251119 |
| Qingdao Shengze Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Sinopec | China national standards | MT | 888.93 | USD | 20251119 |
| Shiyou Yangzhou Chem | China national standards | MT | 874.82 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1128.8 | USD | 20251119 |
| Unknown | China national standards | MT | 888.93 | USD | 20251119 |
| Sinopec | China national standards | MT | 994.75 | USD | 20251119 |
| Shandong Langchem | China national standards | MT | 1100.58 | USD | 20251119 |