| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 846.66 | USD | 20251103 |
| Shandong Yeyang Chem | China national standards | MT | 790.21 | USD | 20251103 |
| Shandong Qiangsen Chem | China national standards | MT | 818.43 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1058.32 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 987.77 | USD | 20251103 |
| Shandong Yeyang Chem | China national standards | MT | 818.43 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 888.99 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 818.43 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 832.55 | USD | 20251103 |
| Wanhua Yantai | China national standards | MT | 896.04 | USD | 20251103 |