| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Chengxin Chem | China national standards | MT | 1055.07 | USD | 20250918 |
| Hualu Holdings | China national standards | MT | 1308.29 | USD | 20250918 |
| Shandong Huize Chem | China national standards | MT | 1041.01 | USD | 20250918 |
| Shandong Huize Chem | China national standards | MT | 1041.01 | USD | 20250918 |
| Shandong Hualu | China national standards | MT | 998.8 | USD | 20250918 |
| Shandong Yuxuan Chem | China national standards | MT | 1005.84 | USD | 20250918 |
| Jinan Dezheng Chem | China national standards | MT | 970.67 | USD | 20250918 |
| Hubei 789 Chem | China national standards | MT | 1266.09 | USD | 20250918 |
| Shandong Aite Chem | China national standards | MT | 1266.09 | USD | 20250918 |
| Nantong Zhonghe Chem | China national standards | MT | 1116.97 | USD | 20250918 |