| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 825.09 | USD | 20251105 |
| Qingdao Shengze Chem | China national standards | MT | 825.09 | USD | 20251105 |
| Shandong Zhenkun | China national standards | MT | 1078.97 | USD | 20251105 |
| Liaocheng Yuanze Chem | China national standards | MT | 874.46 | USD | 20251105 |
| Shandong Laya Chem | China national standards | MT | 1001.4 | USD | 20251105 |
| Wuhan Hengjiu Chem | China national standards | MT | 1086.27 | USD | 20251104 |
| Nanjing Runsheng Petro | China national standards | MT | 888.76 | USD | 20251104 |
| Aite Zhejiang | China national standards | MT | 1072.16 | USD | 20251104 |
| Aite Zhejiang | China national standards | MT | 1029.84 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 1128.59 | USD | 20251104 |