| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chem | China national standards | MT | 1142.72 | USD | 20250823 |
| Shandong Yeyang Chem | China national standards | MT | 1135.71 | USD | 20250823 |
| Shandong Xingpeng Chem | China national standards | MT | 1444.17 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 1402.11 | USD | 20250822 |
| Qingdao Shengze Chem | China national standards | MT | 1402.11 | USD | 20250822 |
| Shandong Xima | China national standards | MT | 841.27 | USD | 20250822 |
| Shandong Qiangsen Chem | China national standards | MT | 1051.58 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 1166.56 | USD | 20250822 |
| Shandong Langchem | China national standards | MT | 1177.77 | USD | 20250822 |
| Dongying Lianchem | China national standards | MT | 1166.56 | USD | 20250822 |