| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 910.73 | USD | 20250816 |
| Shandong Xima | China national standards | MT | 742.6 | USD | 20250816 |
| Shandong Qiangsen Chem | China national standards | MT | 812.65 | USD | 20250816 |
| Qingdao Shengze Chem | China national standards | MT | 819.66 | USD | 20250815 |
| Qingdao Shengze Chem | China national standards | MT | 819.66 | USD | 20250815 |
| Shandong Qiancheng | China national standards | MT | 840.68 | USD | 20250815 |
| Shandong Xingpeng Chem | China national standards | MT | 784.63 | USD | 20250815 |
| Unknown | China national standards | MT | 3750.0 | USD | 20210323 |
| Unknown | China national standards | MT | 190.0 | USD | 20210323 |
| Unknown | China national standards | MT | 120.0 | USD | 20210323 |