| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 808.43 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 897.48 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 897.48 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 904.54 | USD | 20251203 |
| Nanjing Runsheng Petro | China national standards | MT | 1045.88 | USD | 20251203 |
| Jinan Jinhao Chem | China national standards | MT | 1229.61 | USD | 20251203 |
| Shandong Haili Chem | China national standards | MT | 808.43 | USD | 20251203 |
| Shandong Jinwen Chem | China national standards | MT | 1102.41 | USD | 20251203 |
| Shandong Hongyang Chem | China national standards | MT | 1074.14 | USD | 20251203 |
| Shandong Shuojia Chem | China national standards | MT | 897.48 | USD | 20251203 |