| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Qilu Tech | China national standards | MT | 1074.22 | USD | 20251205 |
| Shandong Zhiheng | China national standards | MT | 1102.49 | USD | 20251205 |
| Wuhan Hengjiu Chem | China national standards | MT | 918.74 | USD | 20251205 |
| Shandong Langchem | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Aite Chem | China national standards | MT | 1300.37 | USD | 20251205 |
| Shandong Hanyue Chem | China national standards | MT | 904.61 | USD | 20251205 |
| Shandong Yushuo Chem | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 989.41 | USD | 20251205 |
| Shandong Yihe Chem | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Yushuo Chem | China national standards | MT | 932.88 | USD | 20251205 |