| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 2161.84 | USD | 20251209 |
| Jinan Zhongyin Mat | China national standards | MT | 819.52 | USD | 20251209 |
| Zibo Lishuo Chem | China national standards | MT | 918.43 | USD | 20251209 |
| Lihuayi Shandong | China national standards | MT | 706.48 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 741.81 | USD | 20251209 |
| Zibo Lishuo Chem | China national standards | MT | 918.43 | USD | 20251209 |
| Shandong Junfeng | China national standards | MT | 2161.84 | USD | 20251209 |
| Shandong Yeyang Chem | China national standards | MT | 777.13 | USD | 20251209 |
| Qingdao Shengze Chem | China national standards | MT | 741.81 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 960.82 | USD | 20251209 |