| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 1272.39 | USD | 20251204 |
| Shandong Qiangsen Chem | China national standards | MT | 890.67 | USD | 20251204 |
| Jinan Angxin Chem | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Hualu | China national standards | MT | 911.88 | USD | 20251204 |
| Shandong Daoqin Chem | China national standards | MT | 918.95 | USD | 20251204 |
| Shandong Fusheng | China national standards | MT | 1102.74 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 911.88 | USD | 20251204 |
| Shandong Fusheng | China national standards | MT | 890.67 | USD | 20251204 |
| Shandong Qiangsen Chem | China national standards | MT | 890.67 | USD | 20251204 |
| Shandong Xima | China national standards | MT | 876.54 | USD | 20251204 |