| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 194.79 | USD | 20251124 |
| Henan Baiquan | China national standards | MT | 176.44 | USD | 20251124 |
| Henan Shunzhibang | China national standards | MT | 268.18 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 211.72 | USD | 20251124 |
| Henan LanenChem | China national standards | MT | 177.85 | USD | 20251124 |
| Henan Shunzhibang | China national standards | MT | 239.95 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 211.72 | USD | 20251124 |
| Henan Sendi EnvTech | China national standards | MT | 201.84 | USD | 20251124 |
| Henan Shunzhibang | China national standards | MT | 254.07 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 261.13 | USD | 20251124 |