| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 565.26 | USD | 20251208 |
| Shandong Hongyang Chem | China national standards | MT | 537.0 | USD | 20251208 |
| Wuhan Hengjiu Chem | China national standards | MT | 593.52 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.52 | USD | 20251208 |
| Shandong Yushuo Chem | China national standards | MT | 565.26 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.52 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.65 | USD | 20251207 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.65 | USD | 20251207 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.65 | USD | 20251205 |
| Jinan Angxin Chem | China national standards | MT | 565.38 | USD | 20251205 |