| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Industrial Grade | MT | 845.93 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 845.93 | USD | 20251025 |
| Shandong Daoqin Chem | China national standards | MT | 986.92 | USD | 20251025 |
| Shandong Wells Chem | China national standards | MT | 930.52 | USD | 20251024 |
| Guangzhou Tianyue Chem | China national standards | MT | 958.72 | USD | 20251024 |
| Guangzhou Tianyue Chem | China national standards | MT | 958.72 | USD | 20251024 |
| Tongling Jintai Chem | China national standards | MT | 845.93 | USD | 20251024 |
| Shandong Wells Chem | China national standards | MT | 845.93 | USD | 20251024 |
| Jinan Qi Mat | Industrial Grade | MT | 845.93 | USD | 20251024 |
| Shandong Mingyu | China national standards | MT | 902.32 | USD | 20251024 |