| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1198.36 | USD | 20251021 |
| Shandong Yuhuang Chem | China national standards | MT | 1290.0 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1332.3 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1297.05 | USD | 20251021 |
| Shandong Laya Chem | China national standards | MT | 972.79 | USD | 20251021 |
| Shandong Zhiheng | China national standards | MT | 1170.17 | USD | 20251021 |
| Sinopec | China national standards | MT | 1212.46 | USD | 20251021 |
| CNPC | China national standards | MT | 1212.46 | USD | 20251021 |
| Changzhou Juyun Mat | China national standards | MT | 1353.45 | USD | 20251021 |
| Changzhou Juyun Mat | China national standards | MT | 1353.45 | USD | 20251021 |