| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Changzhou Juyun Mat | China national standards | MT | 1338.63 | USD | 20251016 |
| Changzhou Juyun Mat | China national standards | MT | 1352.72 | USD | 20251016 |
| Kunlun Daqing Petro | China national standards | MT | 1197.72 | USD | 20251016 |
| Shandong Aite Chem | China national standards | MT | 1197.27 | USD | 20251015 |
| Shandong Aite Chem | China national standards | MT | 1197.27 | USD | 20251015 |
| Shandong Yuhuang Chem | China national standards | MT | 1366.29 | USD | 20251015 |