| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 777.23 | USD | 20251208 |
| Zibo Lishuo Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Zhongke Taihua | China national standards | MT | 946.81 | USD | 20251208 |
| Shandong Zhongke Taihua | China national standards | MT | 946.81 | USD | 20251208 |
| Shandong Hanyue Chem | China national standards | MT | 706.57 | USD | 20251208 |
| Zibo Lishuo Chem | China national standards | MT | 819.63 | USD | 20251208 |
| Shandong Hanyue Chem | China national standards | MT | 706.57 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 727.77 | USD | 20251208 |
| Zibo Lishuo Chem | China national standards | MT | 819.63 | USD | 20251208 |