| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 915.4 | USD | 20251013 |
| Jinan Dezheng Chem | China national standards | MT | 908.36 | USD | 20251013 |
| Shandong Hualu | China national standards | MT | 936.53 | USD | 20251013 |
| Liaocheng Yuanze Chem | China national standards | MT | 1013.98 | USD | 20251013 |
| Luxi Chem | China national standards | MT | 915.4 | USD | 20251013 |
| Nantong Zhonghe Chem | China national standards | MT | 1118.2 | USD | 20251013 |
| Qingdao Shengze Chem | China national standards | MT | 908.36 | USD | 20251013 |
| Hubei 789 Chem | China national standards | MT | 1267.48 | USD | 20251013 |
| Hubei 789 Chem | China national standards | MT | 1267.48 | USD | 20251013 |
| Shandong Aite Chem | China national standards | MT | 1267.48 | USD | 20251013 |