| Vendor | Spec | Unit | Price | Currency | Date |
| Aite Zhejiang | China national standards | MT | 1269.84 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1173.9 | USD | 20251121 |
| Dongying Lianchem | China national standards | MT | 1199.29 | USD | 20251121 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.2 | USD | 20251121 |
| JS Yangnong Chem | China national standards | MT | 853.62 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 1594.36 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 1128.75 | USD | 20251121 |
| Shandong Yeyang Chem | China national standards | MT | 1149.91 | USD | 20251121 |
| Shandong Shuojia Chem | China national standards | MT | 1566.14 | USD | 20251121 |