| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Nanjing Runsheng Petro | China national standards | MT | 1004.44 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Jinshenrun Chem | China national standards | MT | 862.97 | USD | 20251211 |
| Liaocheng Yuanze Chem | China national standards | MT | 990.3 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 1259.09 | USD | 20251211 |
| Qingdao Shengze Chem | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Hualu | China national standards | MT | 1018.59 | USD | 20251211 |
| Liao Jinxinda | China national standards | MT | 855.9 | USD | 20251211 |