| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Yeyang Chem | China national standards | MT | USD | 20250728 | |
| Nanjing Baitu Chem | China national standards | MT | USD | 20250728 | |
| Shandong Langchem | China national standards | MT | USD | 20250728 | |
| Shandong Jinwen Chem | China national standards | MT | USD | 20250728 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250728 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250728 | |
| Shandong Qiancheng | China national standards | MT | USD | 20250728 | |
| Unknown | China national standards | MT | USD | 20210323 | |
| Unknown | China national standards | MT | USD | 20210320 | |
| Unknown | China national standards | MT | USD | 20210320 |
