| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1410.84 | USD | 20251031 |
| Shandong Yeyang Chem | China national standards | MT | 1114.56 | USD | 20251031 |
| Shandong Zhenkun | China national standards | MT | 998.87 | USD | 20251031 |
| Shandong Jinling Chem | China national standards | MT | 1149.83 | USD | 20251031 |
| Aite Zhejiang | China national standards | MT | 1382.62 | USD | 20251031 |
| Aite Zhejiang | China national standards | MT | 1382.93 | USD | 20251030 |
| Shandong Jinling Chem | China national standards | MT | 1100.7 | USD | 20251030 |
| Shandong Xingpeng Chem | China national standards | MT | 1058.37 | USD | 20251030 |
| Qingdao Chengxin Chem | China national standards | MT | 903.14 | USD | 20251030 |
| Dongying Huatai Chem | China national standards | MT | 1100.7 | USD | 20251030 |