| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hualu | China national standards | MT | 1031.38 | USD | 20251127 |
| Shandong Qiangsen Chem | China national standards | MT | 890.09 | USD | 20251127 |
| Shandong Yushuo Chem | China national standards | MT | 1003.12 | USD | 20251127 |
| Jinan Angxin Chem | China national standards | MT | 932.48 | USD | 20251127 |
| Jinan Angxin Chem | China national standards | MT | 932.48 | USD | 20251127 |
| Xiamen Yudeshun Chem | China national standards | MT | 1681.29 | USD | 20251127 |
| Jinan Jinrihe Chem | China national standards | MT | 904.01 | USD | 20251126 |
| Shandong Hualu | China national standards | MT | 925.19 | USD | 20251126 |
| Shandong Fusheng | China national standards | MT | 889.88 | USD | 20251126 |
| Shandong Hualu | China national standards | MT | 925.19 | USD | 20251126 |