| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1037.56 | USD | 20250822 |
| Shandong Laya Chem | China national standards | MT | 995.5 | USD | 20250822 |
| Shandong Fusheng | China national standards | MT | 1051.58 | USD | 20250822 |
| Shandong Fusheng | China national standards | MT | 1121.69 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 1017.02 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 1017.02 | USD | 20250821 |
| Shandong Laya Chem | China national standards | MT | 995.97 | USD | 20250821 |
| Shandong Xima | China national standards | MT | 981.95 | USD | 20250821 |
| Shandong Fusheng | China national standards | MT | 1122.22 | USD | 20250821 |
| Shandong Fusheng | China national standards | MT | 1052.09 | USD | 20250821 |