| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 745.9 | USD | 20250930 |
| Shandong Daoqin Chem | China national standards | MT | 957.01 | USD | 20250930 |
| Shanghai Lanyan | China national standards | MT | 1336.99 | USD | 20250930 |
| Shandong Shuojia Chem | Industrial Grade | MT | 816.27 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Shandong Shuojia Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Shandong Shuojia Chem | Industrial Grade | MT | 816.27 | USD | 20250930 |