| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1409.09 | USD | 20251016 |
| Shandong Zhiheng | China national standards | MT | 1331.59 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 1430.22 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 1430.22 | USD | 20251016 |
| Shandong Hongyang Chem | China national standards | MT | 1430.22 | USD | 20251016 |
| Shandong Laya Chem | China national standards | MT | 972.27 | USD | 20251016 |
| Changzhou Juyun Mat | China national standards | MT | 1162.5 | USD | 20251016 |
| Shandong Jinling Chem | China national standards | MT | 1148.4 | USD | 20251016 |
| Shandong Aite Chem | China national standards | MT | 1450.81 | USD | 20251015 |
| Shandong Aite Chem | China national standards | MT | 1450.81 | USD | 20251015 |