| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 1067.09 | USD | 20251210 |
| Hubei 789 Chem | China national standards | MT | 1272.03 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1081.23 | USD | 20251210 |
| Jinan Angxin Chem | China national standards | MT | 975.22 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 989.36 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Zhiheng | China national standards | MT | 1257.9 | USD | 20251210 |
| Qingdao Shengze Chem | China national standards | MT | 932.82 | USD | 20251210 |
| Aite Zhejiang | China national standards | MT | 1074.16 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 989.36 | USD | 20251210 |