| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Shandong Laya Chem | China national standards | MT | 788.12 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 788.12 | USD | 20250930 |
| Shandong Yeyang Chem | China national standards | MT | 816.27 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 879.6 | USD | 20250930 |
| Aite Zhejiang | China national standards | MT | 886.64 | USD | 20250930 |
| Shandong Jinwen Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shanghai Huayi | China national standards | MT | 956.55 | USD | 20250929 |
| Shanghai Huayi | China national standards | MT | 914.35 | USD | 20250929 |