| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu | China national standards | MT | 1210.33 | USD | 20250930 |
| Dongying Huatai Chem | China national standards | MT | 1210.33 | USD | 20250930 |
| Hangjin Tech | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Yaowang Chem | China national standards | MT | 1083.67 | USD | 20250930 |
| Dongying HuataiChem | China national standards | MT | 1013.3 | USD | 20250930 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Qingdao Shengze Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Jinling Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Nantong Zhonghe Chem | China national standards | MT | 1027.37 | USD | 20250930 |
| Shandong Jiaen Chem | China national standards | MT | 1177.96 | USD | 20250930 |