| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Shunzhibang | China national standards | MT | 268.56 | USD | 20251205 |
| Henan Sendi EnvTech | China national standards | MT | 202.12 | USD | 20251205 |
| Henan Shunzhibang | China national standards | MT | 240.29 | USD | 20251205 |
| Shandong Haihua | China national standards | MT | 169.61 | USD | 20251205 |
| Henan Leavit Chem | China national standards | MT | 159.72 | USD | 20251205 |
| Henan Leavit Chem | China national standards | MT | 159.76 | USD | 20251204 |
| Hubei Shuanghuan Tech | China national standards | MT | 190.86 | USD | 20251204 |
| Tangshan Sanyou | China national standards | MT | 183.79 | USD | 20251204 |
| Henan Leavit Chem | China national standards | MT | 159.76 | USD | 20251204 |
| Henan Leavit Chem | China national standards | MT | 148.45 | USD | 20251204 |