| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Zhongyin Mat | China national standards | MT | 720.07 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 713.01 | USD | 20251125 |
| Lihuayi Shandong | China national standards | MT | 720.07 | USD | 20251125 |
| Shandong Yushuo Chem | China national standards | MT | 712.8 | USD | 20251124 |
| Lihuayi Shandong | China national standards | MT | 719.86 | USD | 20251124 |
| Zibo Lishuo Chem | China national standards | MT | 917.47 | USD | 20251124 |
| Luxi Chem | China national standards | MT | 988.04 | USD | 20251124 |
| Luxi Chem | China national standards | MT | 719.86 | USD | 20251124 |
| Zibo Lishuo Chem | China national standards | MT | 917.47 | USD | 20251124 |
| Lihuayi Shandong | China national standards | MT | 846.9 | USD | 20251124 |