| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Shandong Aite Chem | China national standards | MT | 1272.03 | USD | 20251210 |
| Hangjin Tech | China national standards | MT | 1088.29 | USD | 20251210 |
| Shandong Langchem | China national standards | MT | 1215.5 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 1123.63 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 1208.43 | USD | 20251210 |
| Shandong Qiangsen Chem | China national standards | MT | 989.36 | USD | 20251210 |
| Shandong Jinling | China national standards | MT | 1074.16 | USD | 20251210 |
| Shandong Mingyu | China national standards | MT | 1215.5 | USD | 20251210 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1045.89 | USD | 20251210 |