| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 1055.49 | USD | 20250924 |
| Luxi Chem | China national standards | MT | 1055.49 | USD | 20250924 |
| Qingdao Chengxin Chem | China national standards | MT | 802.17 | USD | 20250924 |
| Luxi Chem | China national standards | MT | 774.03 | USD | 20250924 |
| Qingdao Shengze Chem | China national standards | MT | 816.25 | USD | 20250924 |
| Lihuayi Shandong | China national standards | MT | 816.25 | USD | 20250924 |
| Luxi Chem | China national standards | MT | 816.25 | USD | 20250924 |
| Qingdao Shengze Chem | China national standards | MT | 816.25 | USD | 20250924 |
| Nantong Zhonghe Chem | China national standards | MT | 893.65 | USD | 20250924 |
| Lihuayi Shandong | China national standards | MT | 830.32 | USD | 20250924 |