| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 1692.88 | USD | 20251104 |
| Shandong Yeyang Chem | China national standards | MT | 1149.75 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1173.73 | USD | 20251104 |
| Shandong Qiangsen Chem | China national standards | MT | 1058.05 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1185.02 | USD | 20251104 |
| Jinan Qi Mat | China national standards | MT | 1636.45 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 1173.73 | USD | 20251104 |
| Jinan Jiaxing Chem | China national standards | MT | 987.51 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 1128.88 | USD | 20251103 |
| Shandong Hongyang Chem | China national standards | MT | 1128.88 | USD | 20251103 |