| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 803.63 | USD | 20251024 |
| Shandong Qiangsen Chem | China national standards | MT | 803.63 | USD | 20251024 |
| Shandong Jinwen Chem | China national standards | MT | 852.98 | USD | 20251024 |
| Shandong Jinwen Chem | China national standards | MT | 852.98 | USD | 20251024 |
| Shandong Langchem | China national standards | MT | 888.22 | USD | 20251024 |
| Shandong Fusheng | China national standards | MT | 789.53 | USD | 20251024 |
| Shandong Zhongke Taihua | China national standards | MT | 944.62 | USD | 20251024 |
| Shandong Zhongke Taihua | China national standards | MT | 944.62 | USD | 20251024 |
| Shandong Zhongke Taihua | China national standards | MT | 944.62 | USD | 20251024 |
| Shandong Hanyue Chem | China national standards | MT | 761.34 | USD | 20251024 |