| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 949.51 | USD | 20250929 |
| Shandong Qiangsen Chem | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Fusheng | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Fusheng | China national standards | MT | 1055.02 | USD | 20250929 |
| Qingdao Chengxin Chem | China national standards | MT | 1054.08 | USD | 20250928 |
| Shandong Hualu | China national standards | MT | 955.7 | USD | 20250928 |
| Jinan Zhongyin Mat | China national standards | MT | 955.7 | USD | 20250928 |
| Shandong Zhenkun | China national standards | MT | 1075.16 | USD | 20250928 |
| Nantong Zhonghe Chem | China national standards | MT | 1115.92 | USD | 20250928 |
| Qingdao Shengze Chem | China national standards | MT | 969.75 | USD | 20250928 |