| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 565.35 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 537.08 | USD | 20251210 |
| Shandong Yushuo Chem | China national standards | MT | 565.35 | USD | 20251210 |
| Shandong Hongyang Chem | China national standards | MT | 536.93 | USD | 20251209 |
| Shandong Fusheng | China national standards | MT | 579.32 | USD | 20251209 |
| Wuhan Hengjiu Chem | China national standards | MT | 593.45 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.45 | USD | 20251209 |
| Shandong Yushuo Chem | China national standards | MT | 565.19 | USD | 20251209 |
| Jinan Angxin Chem | China national standards | MT | 565.19 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 593.52 | USD | 20251208 |