| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Dongying Lianchem | China national standards | MT | USD | 20250901 | |
| Shandong Langchem | China national standards | MT | USD | 20250901 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250901 | |
| Shandong Junfeng | China national standards | MT | USD | 20250901 | |
| Shandong Xima | China national standards | MT | USD | 20250901 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250901 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250901 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250831 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250831 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250830 |
