| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 794.63 | USD | 20251009 |
| Jinan Zhongyin Mat | China national standards | MT | 794.63 | USD | 20251009 |
| Qingdao Shengze Chem | China national standards | MT | 794.63 | USD | 20251009 |
| Qingdao Shengze Chem | China national standards | MT | 794.63 | USD | 20251009 |
| Qingdao Shengze Chem | China national standards | MT | 794.63 | USD | 20251009 |
| Qingdao Shengze Chem | China national standards | MT | 794.63 | USD | 20251009 |
| Shandong Jinshenrun Chem | China national standards | MT | 843.86 | USD | 20251009 |
| Shandong Jinshenrun Chem | China national standards | MT | 843.86 | USD | 20251009 |
| Shandong Jinshenrun Chem | China national standards | MT | 843.86 | USD | 20251009 |
| Lihuayi Shandong | China national standards | MT | 843.86 | USD | 20251009 |