| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Wells Chem | China national standards | MT | 907.72 | USD | 20250924 |
| Shandong Fusheng | China national standards | MT | 900.69 | USD | 20250924 |
| Shandong Fusheng | Industrial Grade | MT | 900.69 | USD | 20250924 |
| Shandong Fusheng | China national standards | MT | 844.39 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 795.14 | USD | 20250924 |
| Shandong Hongyang Chem | China national standards | MT | 949.94 | USD | 20250924 |
| Shandong Zhiheng | China national standards | MT | 1013.27 | USD | 20250924 |
| Jinan Pulaihua Chem | China national standards | MT | 1111.78 | USD | 20250923 |
| Jinan Pulaihua Chem | China national standards | MT | 1111.78 | USD | 20250923 |
| Tongling Jintai Chem | China national standards | MT | 802.17 | USD | 20250923 |