| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 733.88 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 945.58 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 938.52 | USD | 20251118 |
| Shandong Jinshenrun Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Nanjing Baitu Chem | China national standards | MT | 903.24 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 846.79 | USD | 20251118 |
| Jinan Jinrihe Chem | China national standards | MT | 790.34 | USD | 20251118 |
| Shandong Wells Chem | China national standards | MT | 1016.15 | USD | 20251118 |
| Shandong Daoqin Chem | China national standards | MT | 987.92 | USD | 20251118 |
| Jinan Jinrihe Chem | Industrial Grade | MT | 790.34 | USD | 20251118 |