| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 1059.86 | USD | 20251208 |
| Nantong Zhonghe Chem | China national standards | MT | 805.49 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 720.71 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 791.36 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 847.89 | USD | 20251208 |
| Qingdao Shengze Chem | China national standards | MT | 741.9 | USD | 20251208 |
| Luxi Chem | China national standards | MT | 791.36 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 1059.86 | USD | 20251208 |
| Shandong Qiancheng | China national standards | MT | 847.89 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 741.9 | USD | 20251208 |