| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Lianchem | China national standards | MT | 1174.03 | USD | 20251103 |
| Dongying Lianchem | China national standards | MT | 1199.43 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1174.03 | USD | 20251103 |
| Shandong Yeyang Chem | China national standards | MT | 1142.99 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1185.32 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1174.03 | USD | 20251103 |
| Jinan Qi Mat | China national standards | MT | 1636.87 | USD | 20251103 |
| Shandong Shuojia Chem | China national standards | MT | 1679.2 | USD | 20251103 |
| Jinan Aochen Chem | China national standards | MT | 1312.32 | USD | 20251103 |
| Weifang Yixin Chem | China national standards | MT | 1749.76 | USD | 20251103 |