| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1171.35 | USD | 20250908 |
| Dongying Lianchem | China national standards | MT | 1171.35 | USD | 20250908 |
| Shandong Langchem | China national standards | MT | 1182.62 | USD | 20250908 |
| Shandong Langchem | China national standards | MT | 1171.35 | USD | 20250908 |
| Shandong Xima | China national standards | MT | 844.73 | USD | 20250908 |
| Shandong Qiangsen Chem | China national standards | MT | 1055.91 | USD | 20250908 |
| Shandong Junfeng | China national standards | MT | 922.16 | USD | 20250908 |
| Shandong Junfeng | China national standards | MT | 915.12 | USD | 20250908 |
| Shandong Yeyang Chem | China national standards | MT | 1147.42 | USD | 20250908 |
| Shandong Xingpeng Chem | China national standards | MT | 1449.4 | USD | 20250907 |