| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1596.29 | USD | 20251128 |
| Jinan Qi Mat | China national standards | MT | 1525.66 | USD | 20251128 |
| Hubei 789 Chem | China national standards | MT | 1130.12 | USD | 20251128 |
| Hunan JinyuChem | China national standards | MT | 1582.17 | USD | 20251128 |
| Shandong Mingyu | China national standards | MT | 1695.18 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1175.32 | USD | 20251128 |
| Shandong Huize Chem | China national standards | MT | 1342.02 | USD | 20251128 |
| Shandong Yaoming Chem | China national standards | MT | 1080.68 | USD | 20251128 |
| Jinan Qi Mat | China national standards | MT | 1525.66 | USD | 20251128 |
| Shandong Yuxuan Chem | China national standards | MT | 1822.32 | USD | 20251128 |