| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Weifang Longmao Chem | China national standards | MT | USD | 20251011 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251010 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251010 | |
| Shouguang ZixuChem | Industrial Grade | MT | USD | 20251010 | |
| Weifang Longmao Chem | Industrial Grade | MT | USD | 20251010 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251009 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251009 | |
| Weifang Sutong Chem | China national standards | MT | USD | 20251004 | |
| Weifang Sutong Chem | China national standards | MT | USD | 20251002 | |
| Shandong Zhiheng | China national standards | MT | USD | 20250930 |
