| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 759.97 | USD | 20250930 |
| Shandong Laya Chem | China national standards | MT | 788.12 | USD | 20250930 |
| Lihuayi Shandong | China national standards | MT | 957.01 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 957.01 | USD | 20250930 |
| Luxi Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Zhiheng | China national standards | MT | 942.93 | USD | 20250930 |
| Shandong Aite Chem | China national standards | MT | 1069.08 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1069.08 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1111.28 | USD | 20250929 |
| Shandong Aite Chem | China national standards | MT | 1237.88 | USD | 20250929 |