| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1296.36 | USD | 20251016 |
| Shandong Langchem | China national standards | MT | 1331.59 | USD | 20251016 |
| Shandong Yuhuang Chem | China national standards | MT | 1289.31 | USD | 20251016 |
| CNPC | China national standards | MT | 1211.81 | USD | 20251016 |
| Sinopec | China national standards | MT | 1211.81 | USD | 20251016 |
| Shandong Zhiheng | China national standards | MT | 1169.54 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 1190.68 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 1190.68 | USD | 20251016 |
| Shandong Laya Chem | China national standards | MT | 972.27 | USD | 20251016 |
| Changzhou Juyun Mat | China national standards | MT | 1352.72 | USD | 20251016 |