| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 190.23 | USD | 20251016 |
| Shandong Haihua | China national standards | MT | 190.23 | USD | 20251016 |
| Hubei 789 Chem | China national standards | MT | 253.64 | USD | 20251016 |
| Hubei 789 Chem | China national standards | MT | 253.64 | USD | 20251016 |
| Henan Sendi EnvTech | China national standards | MT | 197.27 | USD | 20251016 |
| Henan Sendi EnvTech | China national standards | MT | 194.45 | USD | 20251016 |
| Henan Sendi EnvTech | China national standards | MT | 201.5 | USD | 20251016 |
| Henan Sendi EnvTech | China national standards | MT | 201.5 | USD | 20251016 |
| Henan Sendi EnvTech | China national standards | MT | 201.5 | USD | 20251016 |
| Henan Sendi EnvTech | China national standards | MT | 194.45 | USD | 20251016 |