| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 818.43 | USD | 20251103 |
| Shandong Yeyang Chem | China national standards | MT | 818.43 | USD | 20251103 |
| Jinan Jinhao Chem | China national standards | MT | 1114.76 | USD | 20251103 |
| Shandong Yihe Chem | China national standards | MT | 790.21 | USD | 20251103 |
| Shandong Mingyu | China national standards | MT | 874.88 | USD | 20251103 |
| Shandong Mingyu | China national standards | MT | 888.99 | USD | 20251103 |
| Formosa Ningbo | China national standards | MT | 888.99 | 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 |