| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 955.7 | USD | 20250928 |
| Shandong Zhenkun | China national standards | MT | 1075.16 | USD | 20250928 |
| Nantong Zhonghe Chem | China national standards | MT | 1115.92 | USD | 20250928 |
| Qingdao Shengze Chem | China national standards | MT | 969.75 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 1307.06 | USD | 20250928 |
| Jinan Aochen Chem | China national standards | MT | 1307.06 | USD | 20250928 |
| Hubei 789 Chem | China national standards | MT | 1264.9 | USD | 20250928 |
| Hubei 789 Chem | China national standards | MT | 1264.9 | USD | 20250928 |
| Luxi Chem | China national standards | MT | 948.67 | USD | 20250928 |
| Shandong Aite Chem | China national standards | MT | 1264.9 | USD | 20250928 |