| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1101.29 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 840.09 | USD | 20251125 |
| Aite Zhejiang | China national standards | MT | 1073.05 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 840.09 | USD | 20251125 |
| Shandong Zhenkun | China national standards | MT | 1080.11 | USD | 20251125 |
| Nanjing Runsheng Petro | China national standards | MT | 931.86 | USD | 20251125 |
| Shandong Yaoming Chem | China national standards | MT | 818.91 | USD | 20251125 |
| Aite Zhejiang | China national standards | MT | 1030.69 | USD | 20251125 |
| Aite Zhejiang | China national standards | MT | 1073.05 | USD | 20251125 |
| Aite Zhejiang | China national standards | MT | 1030.69 | USD | 20251125 |