| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1313.26 | USD | 20251117 |
| Jinan Aochen Chem | China national standards | MT | 1313.26 | USD | 20251117 |
| Shandong Yushuo Chem | China national standards | MT | 833.15 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 826.08 | USD | 20251117 |
| Qingdao Shengze Chem | China national standards | MT | 826.08 | USD | 20251117 |
| Liao Jinxinda | China national standards | MT | 854.33 | USD | 20251117 |
| Nanjing Baitu Chem | China national standards | MT | 1087.32 | USD | 20251117 |
| Lihuayi Shandong | China national standards | MT | 819.02 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1108.51 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1285.02 | USD | 20251117 |