| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 239.92 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 249.8 | USD | 20251118 |
| Luxi Chem | China national standards | MT | 249.8 | USD | 20251118 |
| Shandong Zhenkun | China national standards | MT | 303.43 | USD | 20251118 |
| Jinan Zhongyin Mat | China national standards | MT | 239.92 | USD | 20251118 |
| Qingdao Shengze Chem | China national standards | MT | 249.8 | USD | 20251118 |
| Wuhan Hengjiu Chem | China national standards | MT | 239.92 | USD | 20251118 |
| Wuhan Hengjiu Chem | China national standards | MT | 239.92 | USD | 20251118 |
| Shandong Mingyu | China national standards | MT | 345.77 | USD | 20251118 |
| Shandong Yushuo Chem | China national standards | MT | 246.98 | USD | 20251118 |