| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Leavit Chem | China national standards | MT | 159.63 | USD | 20251129 |
| Hubei Shuanghuan Tech | China national standards | MT | 190.71 | USD | 20251129 |
| Henan Sendi EnvTech | China national standards | MT | 197.77 | USD | 20251129 |
| Shandong Haihua | China national standards | MT | 169.52 | USD | 20251129 |
| Shandong Jinshenrun Chem | China national standards | MT | 183.64 | USD | 20251129 |
| Henan Leavit Chem | China national standards | MT | 163.87 | USD | 20251129 |
| Shandong Jinshenrun Chem | China national standards | MT | 183.64 | USD | 20251128 |
| Henan Kaijie Water | China national standards | MT | 211.9 | USD | 20251128 |
| Shandong Haihua | China national standards | MT | 169.52 | USD | 20251128 |
| Pingxiang Lixin BioTech | China national standards | MT | 183.64 | USD | 20251128 |