| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | China national standards | MT | 1940.16 | USD | 20250919 |
| Jinan Lianxing | China national standards | MT | 1687.1 | USD | 20250919 |
| Shanghai Ronghe Chem | China national standards | MT | 1757.4 | USD | 20250919 |
| Shandong Hongyang Chem | China national standards | MT | 1757.4 | USD | 20250919 |
| Shandong Zhiheng | China national standards | MT | 1546.51 | USD | 20250919 |
| Hubei 789 Chem | China national standards | MT | 2039.81 | USD | 20250918 |
| Shandong Laya Chem | China national standards | MT | 1448.97 | USD | 20250918 |
| Shandong Laya Chem | China national standards | MT | 1448.97 | USD | 20250918 |
| Jinan Lianxing | China national standards | MT | 1688.12 | USD | 20250918 |
| Shandong Zhiheng | China national standards | MT | 1547.44 | USD | 20250918 |