| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | China national standards | MT | 1068.8 | USD | 20250903 |
| Shandong Fusheng | China national standards | MT | 963.32 | USD | 20250903 |
| Shandong Fusheng | China national standards | MT | 963.32 | USD | 20250903 |
| Shandong Fusheng | China national standards | MT | 963.58 | USD | 20250902 |
| Shandong Fusheng | China national standards | MT | 963.58 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 1069.08 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 1069.08 | USD | 20250902 |
| Qingdao Shengze Chem | China national standards | MT | 1069.34 | USD | 20250901 |
| Shandong Fusheng | China national standards | MT | 963.81 | USD | 20250901 |
| Shandong Fusheng | China national standards | MT | 963.81 | USD | 20250901 |