| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Xinhou | N330 | MT | 253.06 | USD | 20250920 |
| Jinan Xinhou | N660 | MT | 1209.09 | USD | 20250920 |
| Jinan Xinhou | N220 | MT | 1349.68 | USD | 20250920 |
| Shanxi Hengxin Chem | N220 | MT | 1209.09 | USD | 20250920 |
| Shandong Junfeng | N220 | MT | 984.14 | USD | 20250920 |
| Shandong Junfeng | China national standards | MT | 1209.09 | USD | 20250920 |
| Shandong Junfeng | N220 | MT | 984.14 | USD | 20250919 |
| Shandong Junfeng | China national standards | MT | 1209.09 | USD | 20250919 |
| Shandong Junfeng | N220 | MT | 984.74 | USD | 20250918 |
| Shandong Junfeng | China national standards | MT | 1209.82 | USD | 20250918 |