| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 888.56 | USD | 20251105 |
| Qingdao Shengze Chem | China national standards | MT | 888.56 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1100.13 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1114.23 | USD | 20251105 |
| Qingdao Shengze Chem | China national standards | MT | 888.56 | USD | 20251105 |
| Shandong Junfeng | China national standards | MT | 1057.81 | USD | 20251105 |
| Shandong Langchem | China national standards | MT | 1114.23 | USD | 20251105 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1156.54 | USD | 20251105 |
| Shandong Aite Chem | China national standards | MT | 1100.13 | USD | 20251105 |
| Shandong Zhiheng | China national standards | MT | 906.9 | USD | 20251105 |