| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250818 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250818 | |
| Shandong Qiancheng | China national standards | MT | USD | 20250818 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250817 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250817 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250816 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250816 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250816 | |
| Shandong Qiancheng | 90% | MT | USD | 20250816 | |
| Unknown | China national standards | MT | USD | 20210323 |
