| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1257.7 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 904.41 | USD | 20251208 |
| Shandong Xima | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Qiangsen Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Shandong Fusheng | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 862.02 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 1130.52 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 932.68 | USD | 20251208 |