| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 738.55 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 541.61 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 541.61 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 541.61 | USD | 20250918 |
| Qingdao Shengze Chem | China national standards | MT | 541.61 | USD | 20250918 |
| Shandong Yihe Chem | China national standards | MT | 534.57 | USD | 20250918 |
| Shandong Yihe Chem | China national standards | MT | 527.54 | USD | 20250918 |
| Shandong Zhenkun | China national standards | MT | 604.91 | USD | 20250918 |
| Lihuayi Weiyuan Chem | China national standards | MT | 604.91 | USD | 20250918 |
| Shandong Fusheng | China national standards | MT | 703.38 | USD | 20250918 |