| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Sendi EnvTech | China national standards | MT | 197.61 | USD | 20251124 |
| Henan Shunzhibang | China national standards | MT | 268.18 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 261.13 | USD | 20251124 |
| Henan Sendi EnvTech | China national standards | MT | 201.84 | USD | 20251124 |
| Shandong Chuangxin Chem | China national standards | MT | 159.5 | USD | 20251124 |
| Henan Sendi EnvTech | China national standards | MT | 201.84 | USD | 20251124 |
| Henan Sendi EnvTech | China national standards | MT | 194.79 | USD | 20251124 |
| Shandong Jinshenrun Chem | China national standards | MT | 183.49 | USD | 20251124 |
| Shanghai SKY Chem | China national standards | MT | 211.72 | USD | 20251124 |
| Henan Sendi EnvTech | China national standards | MT | 194.79 | USD | 20251124 |