| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 228.97 | USD | 20251210 |
| Shandong Mingyu | China national standards | MT | 346.28 | USD | 20251210 |
| Shandong Jinling Chem | China national standards | MT | 332.14 | USD | 20251210 |
| Luxi Chem | China national standards | MT | 268.54 | USD | 20251210 |
| Qingdao Ruishuang Chem | China national standards | MT | 424.01 | USD | 20251210 |
| Shandong Jiaen Chem | China national standards | MT | 353.34 | USD | 20251210 |
| Luxi Chem | China national standards | MT | 339.21 | USD | 20251210 |
| Shandong Jiaen Chem | China national standards | MT | 332.14 | USD | 20251210 |
| Zaozhuang Yitai | China national standards | MT | 395.74 | USD | 20251210 |