| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | 128# | MT | 1918.74 | USD | 20251031 |
| Qingdao Chengxin Chem | 128# | MT | 1919.17 | USD | 20251030 |
| Qingdao Chengxin Chem | 128# | MT | 1916.36 | USD | 20251016 |
| Qingdao Chengxin Chem | 128# | MT | 1915.63 | USD | 20251015 |
| Qingdao Chengxin Chem | 128# | MT | 1914.01 | USD | 20250930 |
| Qingdao Chengxin Chem | 128# | MT | 1913.09 | USD | 20250929 |
| Qingdao Chengxin Chem | 128# | MT | 1911.4 | USD | 20250928 |
| Qingdao Chengxin Chem | 128# | MT | 1911.4 | USD | 20250926 |
| Qingdao Chengxin Chem | 128# | MT | 1913.96 | USD | 20250925 |
| Qingdao Chengxin Chem | 128# | MT | 1913.96 | USD | 20250924 |