| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 423.89 | USD | 20251209 |
| Shandong Jiaen Chem | China national standards | MT | 438.02 | USD | 20251209 |
| Wuhan Hengjiu Chem | 90% | MT | 438.02 | USD | 20251209 |
| Jinan Zhongyin Mat | Industrial Grade | MT | 524.21 | USD | 20251209 |
| Jinan Zhongyin Mat | China national standards | MT | 1045.6 | USD | 20251209 |
| Jinan Zhongyin Mat | 90% | MT | 467.69 | USD | 20251209 |
| Jinan Zhongyin Mat | China national standards | MT | 411.17 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 423.89 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 423.89 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 423.89 | USD | 20251209 |