| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 974.66 | USD | 20251202 |
| Shandong Laya Chem | China national standards | MT | 932.28 | USD | 20251202 |
| Shandong Jinwen Chem | China national standards | MT | 988.78 | USD | 20251202 |
| Shandong Luxi Chem | China national standards | MT | 1017.54 | USD | 20251201 |
| Shandong Laya Chem | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Jinan Zhongyin Mat | China national standards | MT | 946.88 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 1017.54 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 989.27 | USD | 20251201 |