| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1261.81 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1212.46 | USD | 20251021 |
| Shandong Laya Chem | China national standards | MT | 972.79 | USD | 20251021 |
| Shandong Zhiheng | China national standards | MT | 1332.3 | USD | 20251021 |
| Shandong Zhiheng | China national standards | MT | 1409.84 | USD | 20251021 |
| Changzhou Juyun Mat | China national standards | MT | 1163.12 | USD | 20251021 |
| Shandong Jinling Chem | China national standards | MT | 1149.02 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1430.99 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1430.99 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1430.99 | USD | 20251021 |