| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1102.33 | USD | 20251201 |
| Shandong Zhenkun | China national standards | MT | 1000.58 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1434.45 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 1335.52 | USD | 20251201 |
| Xiamen Yudeshun Chem | China national standards | MT | 1554.57 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1413.25 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1434.45 | USD | 20251201 |
| Shandong Jinmao | China national standards | MT | 1300.19 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1137.66 | USD | 20251201 |
| Shandong Jinling | China national standards | MT | 1384.98 | USD | 20251201 |