| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 778.78 | USD | 20251031 |
| Luxi Chem | China national standards | MT | 733.63 | USD | 20251031 |
| Qingdao Chengxin Chem | China national standards | MT | 804.18 | USD | 20251031 |
| Zaozhuang Yitai | China national standards | MT | 1058.13 | USD | 20251031 |
| Shandong Yuanhe Chem | China national standards | MT | 874.72 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 733.63 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 733.63 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 733.63 | USD | 20251031 |
| Qingdao Shengze Chem | China national standards | MT | 733.63 | USD | 20251031 |
| Luxi Chem | China national standards | MT | 768.91 | USD | 20251031 |