| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Fusheng | China national standards | MT | 819.63 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 890.28 | USD | 20251208 |
| Jinan Aochen Chem | China national standards | MT | 1314.23 | USD | 20251208 |
| Shandong Shuojia Chem | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Yihe Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1130.52 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 904.41 | USD | 20251208 |