| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1058.13 | USD | 20251031 |
| Luxi Chem | China national standards | MT | 1058.13 | USD | 20251031 |
| Liaocheng Yuanze Chem | China national standards | MT | 860.61 | USD | 20251031 |
| Liaocheng Yuanze Chem | China national standards | MT | 874.72 | USD | 20251031 |
| Luxi Chem | China national standards | MT | 888.83 | USD | 20251031 |
| Nantong Zhonghe Chem | China national standards | MT | 804.18 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 733.63 | USD | 20251031 |
| Luxi Chem | China national standards | MT | 733.63 | USD | 20251031 |
| Lihuayi Shandong | China national standards | MT | 733.63 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 733.63 | USD | 20251031 |