| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 1635.42 | USD | 20251021 |
| Qingdao Shengze Chem | China national standards | MT | 1649.51 | USD | 20251021 |
| Shandong Shuojia Chem | China national standards | MT | 1691.81 | USD | 20251021 |
| Hubei 789 Chem | China national standards | MT | 1127.87 | USD | 20251021 |
| Shandong Junfeng | China national standards | MT | 923.45 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1184.27 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1170.17 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1172.99 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1172.99 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1127.87 | USD | 20251021 |