| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yaoming Chem | China national standards | MT | 960.11 | USD | 20251114 |
| Shandong Fusheng | China national standards | MT | 1108.37 | USD | 20251114 |
| Shandong Aite Chem | China national standards | MT | 988.35 | USD | 20251114 |
| Shandong Zhiheng | China national standards | MT | 1270.74 | USD | 20251114 |
| Shandong Fusheng | China national standards | MT | 1107.74 | USD | 20251113 |
| Shandong Yaoming Chem | China national standards | MT | 959.57 | USD | 20251113 |
| ZJ Huguang Tech | China national standards | MT | 1016.02 | USD | 20251113 |
| Qingdao Shengze Chem | China national standards | MT | 1072.46 | USD | 20251113 |
| Shandong Fusheng | China national standards | MT | 1107.74 | USD | 20251113 |
| Henan Kaixiang Chem | China national standards | MT | 1072.46 | USD | 20251113 |