| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 903.0 | USD | 20251121 |
| Jinan Aochen Chem | China national standards | MT | 1015.87 | USD | 20251121 |
| Shandong Wells Chem | China national standards | MT | 1029.98 | USD | 20251121 |
| Shandong Wells Chem | China national standards | MT | 1015.87 | USD | 20251121 |
| Shanghai Juexin | China national standards | MT | 1340.39 | USD | 20251121 |
| Shanghai Juexin | China national standards | MT | 1058.2 | USD | 20251121 |
| Guang Longyu Chem | China national standards | MT | 1340.39 | USD | 20251121 |
| Shandong Wells Chem | China national standards | MT | 888.89 | USD | 20251121 |
| Shandong Fusheng | Industrial Grade | MT | 796.84 | USD | 20251120 |
| Shandong Fusheng | China national standards | MT | 818.0 | USD | 20251120 |