| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 847.16 | USD | 20251116 |
| Shandong Wells Chem | China national standards | MT | 889.52 | USD | 20251116 |
| Qingdao Shengze Chem | Industrial Grade | MT | 847.16 | USD | 20251116 |
| Shandong Jinshenrun Chem | Industrial Grade | MT | 889.52 | USD | 20251116 |
| Shandong Jinshenrun Chem | China national standards | MT | 889.52 | USD | 20251116 |
| Tongling Jintai Chem | China national standards | MT | 847.16 | USD | 20251116 |
| Shandong Wells Chem | China national standards | MT | 847.16 | USD | 20251116 |
| Jinan Qi Mat | Industrial Grade | MT | 847.16 | USD | 20251116 |
| Shandong Xingpeng Chem | China national standards | MT | 649.49 | USD | 20251116 |
| Shandong Daoqin Chem | China national standards | MT | 988.35 | USD | 20251116 |