| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 102.05 | USD | 20250705 |
| Jinan Hongyi Bio | 24% | MT | 27.96 | USD | 20250704 |
| Shandong Qiangsen Chem | China national standards | MT | 102.05 | USD | 20250704 |
| Jinan Hongyi Bio | 24% | MT | 27.96 | USD | 20250703 |
| Unknown | China national standards | MT | 170.0 | USD | 20210323 |
| Unknown | China national standards | MT | 110.0 | USD | 20210323 |
| Unknown | China national standards | MT | 200.0 | USD | 20210323 |
| Unknown | China national standards | MT | 120.0 | USD | 20210323 |
| Unknown | China national standards | MT | 20.0 | USD | 20210323 |
| Unknown | China national standards | MT | 30.0 | USD | 20210323 |