| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1158.63 | USD | 20251209 |
| Shandong Hongyang Chem | China national standards | MT | 1434.16 | USD | 20251209 |
| Shandong Laya Chem | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Jinling Chem | China national standards | MT | 1073.86 | USD | 20251209 |
| Shandong Mengkanda Chem | China national standards | MT | 1003.21 | USD | 20251209 |
| Jinan Aochen Chem | China national standards | MT | 1554.27 | USD | 20251209 |
| Shandong Jinling Chem | China national standards | MT | 1130.37 | USD | 20251209 |
| Shandong Zhiheng | China national standards | MT | 1413.15 | USD | 20251208 |
| Shandong Zhiheng | China national standards | MT | 1335.42 | USD | 20251208 |
| Shandong Huize Chem | China national standards | MT | 1155.96 | USD | 20251208 |