| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Zhiheng | China national standards | MT | USD | 20251114 | |
| Weifang Yahua Chem | Industrial Grade | MT | USD | 20251114 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251113 | |
| Weifang Longmao Chem | Industrial Grade | MT | USD | 20251113 | |
| Weifang Sutong Chem | China national standards | MT | USD | 20251113 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251112 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251112 | |
| Weifang Sutong Chem | China national standards | MT | USD | 20251112 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251111 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20251111 |
