| Vendor | Spec | Unit | Price | Currency | Date |
| Guangdong Huihao | China national standards | MT | 212.07 | USD | 20251204 |
| Guangdong Huihao | China national standards | MT | 212.07 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 197.93 | USD | 20251204 |
| Henan Baiquan | China national standards | MT | 166.82 | USD | 20251204 |
| Wuhan Hengjiu Chem | China national standards | MT | 176.72 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 202.17 | USD | 20251204 |
| Henan Sendi EnvTech | China national standards | MT | 202.17 | USD | 20251204 |
| Henan Leavit Chem | China national standards | MT | 159.76 | USD | 20251204 |
| Henan Leavit Chem | China national standards | MT | 164.0 | USD | 20251204 |
| Henan Leavit Chem | China national standards | MT | 148.45 | USD | 20251204 |