| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1086.34 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 973.48 | USD | 20251031 |
| Nantong Zhonghe Chem | China national standards | MT | 931.15 | USD | 20251031 |
| Nantong Zhonghe Chem | China national standards | MT | 952.31 | USD | 20251031 |
| Shandong Hualu | China national standards | MT | 987.58 | USD | 20251031 |
| Hualu Holdings | China national standards | MT | 1185.1 | USD | 20251031 |
| Shandong Haili Chem | China national standards | MT | 1269.75 | USD | 20251031 |
| Nanjing Waien Chem | China national standards | MT | 945.26 | USD | 20251031 |
| Zibo Dehe Chem | China national standards | MT | 973.48 | USD | 20251031 |
| Shandong Yuxuan Chem | China national standards | MT | 987.58 | USD | 20251031 |