| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1108.51 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 875.51 | USD | 20251117 |
| Shiyou Yangzhou Chem | China national standards | MT | 875.51 | USD | 20251117 |
| Shandong Junfeng | China national standards | MT | 917.87 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 875.51 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 875.51 | USD | 20251117 |
| Shandong Junfeng | China national standards | MT | 988.48 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1115.57 | USD | 20251117 |
| Shanghai Guoke | China national standards | MT | 1282.2 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1101.45 | USD | 20251117 |