| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chem | China national standards | MT | 148.41 | USD | 20251205 |
| Hubei Shuanghuan Tech | China national standards | MT | 183.75 | USD | 20251205 |
| Anhui Haozhan Tech | China national standards | MT | 204.95 | USD | 20251205 |
| Shandong Haihua | China national standards | MT | 254.42 | USD | 20251205 |
| Henan Kaijie Water | China national standards | MT | 212.02 | USD | 20251205 |
| Tangshan Sanyou | China national standards | MT | 183.75 | USD | 20251205 |
| Shandong Haihua | China national standards | MT | 190.82 | USD | 20251205 |
| Shandong Jinshenrun Chem | China national standards | MT | 183.75 | USD | 20251205 |
| Pingxiang Lixin BioTech | China national standards | MT | 176.68 | USD | 20251205 |
| Shandong Hezhan Chem | China national standards | MT | 180.92 | USD | 20251205 |