| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Junma Chem | China national standards | MT | 190.28 | USD | 20251017 |
| Suzhou Shangma Chem | China national standards | MT | 211.42 | USD | 20251017 |
| Shanghai Guoke | China national standards | MT | 260.75 | USD | 20251017 |
| Chizhou Xinyu Chem | China national standards | MT | 211.42 | USD | 20251017 |
| Henan Sendi EnvTech | China national standards | MT | 194.51 | USD | 20251017 |
| Henan Sendi EnvTech | China national standards | MT | 201.55 | USD | 20251017 |
| Henan Sendi EnvTech | China national standards | MT | 201.55 | USD | 20251017 |
| Henan Sendi EnvTech | China national standards | MT | 201.55 | USD | 20251017 |
| Henan Sendi EnvTech | China national standards | MT | 194.51 | USD | 20251017 |
| Henan Sendi EnvTech | China national standards | MT | 197.32 | USD | 20251017 |