| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mengkanda Chem | China national standards | MT | 1072.62 | USD | 20250822 |
| Shandong Mengkanda Chem | China national standards | MT | 1073.13 | USD | 20250821 |
| Shandong Mengkanda Chem | China national standards | MT | 1073.13 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 1402.78 | USD | 20250821 |
| Qingdao Shengze Chem | China national standards | MT | 1402.78 | USD | 20250821 |
| Shandong Xingpeng Chem | China national standards | MT | 1444.86 | USD | 20250821 |
| Shandong Junfeng | China national standards | MT | 911.81 | USD | 20250821 |
| Shandong Junfeng | China national standards | MT | 918.82 | USD | 20250821 |
| Shandong Xima | China national standards | MT | 841.67 | USD | 20250821 |
| Shandong Qiangsen Chem | China national standards | MT | 1052.09 | USD | 20250821 |