| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | Industrial Grade | MT | 846.79 | USD | 20251118 |
| Shandong Langchem | China national standards | MT | 945.58 | USD | 20251118 |
| Shandong Wells Chem | China national standards | MT | 1030.84 | USD | 20251117 |
| Shandong Yushuo Chem | China national standards | MT | 861.39 | USD | 20251117 |
| Shandong Yushuo Chem | China national standards | MT | 861.39 | USD | 20251117 |
| Xiamen Yudeshun Chem | China national standards | MT | 1270.9 | USD | 20251117 |
| Shandong Shuojia Chem | China national standards | MT | 847.27 | USD | 20251117 |
| Shandong Wells Chem | China national standards | MT | 1016.72 | USD | 20251117 |
| Shanghai Lanyan | China national standards | MT | 1341.5 | USD | 20251117 |
| Shandong Shuojia Chem | China national standards | MT | 847.27 | USD | 20251117 |