| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 254.04 | USD | 20251028 |
| Hubei 789 Chem | China national standards | MT | 254.04 | USD | 20251028 |
| Wuhan Hengjiu Chem | China national standards | MT | 183.47 | USD | 20251028 |
| Wuhan Hengjiu Chem | China national standards | MT | 232.87 | USD | 20251028 |
| Henan Sendi EnvTech | China national standards | MT | 197.58 | USD | 20251028 |
| Henan Sendi EnvTech | China national standards | MT | 201.82 | USD | 20251028 |
| Henan Sendi EnvTech | China national standards | MT | 201.82 | USD | 20251028 |
| Henan Sendi EnvTech | China national standards | MT | 194.76 | USD | 20251028 |
| Shandong Haihua | China national standards | MT | 176.41 | USD | 20251028 |
| Shandong Haihua | China national standards | MT | 176.41 | USD | 20251028 |