| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 1635.46 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 1649.56 | USD | 20251025 |
| Shandong Qiangsen Chem | China national standards | MT | 1057.41 | USD | 20251025 |
| Shandong Junfeng | China national standards | MT | 923.47 | USD | 20251025 |
| Shandong Junfeng | China national standards | MT | 916.42 | USD | 20251025 |
| Shandong Xingpeng Chem | China national standards | MT | 1762.35 | USD | 20251025 |
| Shandong Yeyang Chem | China national standards | MT | 1142.0 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 1649.56 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 1649.56 | USD | 20251025 |
| Qingdao Shengze Chem | China national standards | MT | 1649.56 | USD | 20251025 |