| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 1252.55 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1266.02 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1266.02 | USD | 20250929 |
| Qingdao Chengxin Chem | China national standards | MT | 1055.02 | USD | 20250929 |
| Wuhan XinChem | China national standards | MT | 1406.69 | USD | 20250929 |
| Shandong Hualu | China national standards | MT | 956.55 | USD | 20250929 |
| Jinan Aochen Chem | China national standards | MT | 1308.22 | USD | 20250929 |
| Jinan Aochen Chem | China national standards | MT | 1308.22 | USD | 20250929 |