| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chem | China national standards | MT | 173.54 | USD | 20251121 |
| Henan Leavit Chem | China national standards | MT | 148.15 | USD | 20251121 |
| Pingxiang Lixin BioTech | China national standards | MT | 183.42 | USD | 20251121 |
| Shandong Qiangsen Chem | China national standards | MT | 190.48 | USD | 20251121 |
| Jinan Jinrihe Chem | China national standards | MT | 155.2 | USD | 20251121 |
| Shandong Haihua | China national standards | MT | 183.42 | USD | 20251121 |
| Shanghai Guoke | China national standards | MT | 261.02 | USD | 20251121 |
| Shandong Haihua | China national standards | MT | 183.34 | USD | 20251120 |
| Henan Leavit Chem | China national standards | MT | 162.19 | USD | 20251120 |
| Henan Leavit Chem | China national standards | MT | 159.37 | USD | 20251120 |