| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1650.98 | USD | 20251103 |
| Qingdao Shengze Chem | China national standards | MT | 1650.98 | USD | 20251103 |
| Shandong Shuojia Chem | China national standards | MT | 1679.2 | USD | 20251103 |
| Shandong Shuojia Chem | China national standards | MT | 1679.2 | USD | 20251103 |
| Shandong Yihe Chem | China national standards | MT | 1622.76 | USD | 20251103 |
| Shandong Yushuo Chem | China national standards | MT | 1693.31 | USD | 20251103 |
| Shandong Shuojia Chem | China national standards | MT | 1679.2 | USD | 20251103 |
| Jinan Qi Mat | China national standards | MT | 1636.87 | USD | 20251103 |
| Shandong Shuojia Chem | China national standards | MT | 1693.31 | USD | 20251103 |
| Qingdao Shengze Chem | China national standards | MT | 1650.98 | USD | 20251103 |