| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 897.16 | USD | 20251127 |
| Shandong Hualu | China national standards | MT | 946.61 | USD | 20251127 |
| Qingdao Shengze Chem | China national standards | MT | 840.64 | USD | 20251127 |
| Nantong Zhonghe Chem | China national standards | MT | 1121.8 | USD | 20251127 |
| Jinan Qi Mat | China national standards | MT | 840.64 | USD | 20251127 |
| Liaocheng Yuanze Chem | China national standards | MT | 875.97 | USD | 20251127 |
| Shandong Hongyang Chem | China national standards | MT | 1130.28 | USD | 20251127 |
| Shandong Laya Chem | China national standards | MT | 1003.12 | USD | 20251127 |
| Luxi Chem | China national standards | MT | 918.35 | USD | 20251127 |
| Jinan Aochen Chem | China national standards | MT | 1313.95 | USD | 20251127 |