| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 816.35 | USD | 20251010 |
| Qingdao Shengze Chem | China national standards | MT | 816.35 | USD | 20251010 |
| Shandong Shuojia Chem | China national standards | MT | 816.35 | USD | 20251010 |
| Shandong Shuojia Chem | China national standards | MT | 816.35 | USD | 20251010 |
| Shandong Shuojia Chem | China national standards | MT | 816.35 | USD | 20251010 |
| Shandong Shuojia Chem | Industrial Grade | MT | 816.35 | USD | 20251010 |
| Shandong Shuojia Chem | Industrial Grade | MT | 816.35 | USD | 20251010 |
| Shandong Shuojia Chem | China national standards | MT | 816.35 | USD | 20251010 |
| Shandong Shuojia Chem | China national standards | MT | 816.35 | USD | 20251010 |
| Shandong Daoqin Chem | China national standards | MT | 957.1 | USD | 20251010 |