| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1483.13 | USD | 20251126 |
| Shandong Zhiheng | China national standards | MT | 1412.51 | USD | 20251126 |
| Shandong Jinling Chem | China national standards | MT | 1101.76 | USD | 20251126 |
| Shandong Qiangsen Chem | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Aite Chem | China national standards | MT | 1553.76 | USD | 20251126 |
| Aite Zhejiang | China national standards | MT | 1384.26 | USD | 20251126 |
| Shandong Yuxuan Chem | China national standards | MT | 1214.76 | USD | 20251126 |
| Shandong Yeyang Chem | China national standards | MT | 1101.76 | USD | 20251126 |
| Shandong Zhenkun | China national standards | MT | 1000.06 | USD | 20251126 |
| Shandong Yeyang Chem | China national standards | MT | 1101.76 | USD | 20251126 |