| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 875.51 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1108.51 | USD | 20251117 |
| Lihuayi Weiyuan Chem | China national standards | MT | 995.54 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 875.51 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 931.99 | USD | 20251117 |
| Shandong Mingyu | China national standards | MT | 1052.02 | USD | 20251117 |
| Beijing Yanshan Petro | China national standards | MT | 1059.08 | USD | 20251117 |
| Shandong Xingpeng Chem | China national standards | MT | 861.39 | USD | 20251117 |
| Zibo Jinshuo Chem | China national standards | MT | 917.87 | USD | 20251117 |
| JS Xiaomi Chem | China national standards | MT | 882.57 | USD | 20251117 |