| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 168.71 | USD | 20250919 |
| Hubei 789 Chem | China national standards | MT | 253.06 | USD | 20250919 |
| Hubei 789 Chem | China national standards | MT | 253.06 | USD | 20250919 |
| Shanghai SKY Chem | China national standards | MT | 194.02 | USD | 20250919 |
| Shanghai SKY Chem | China national standards | MT | 194.02 | USD | 20250919 |
| Anhui Haozhan Tech | China national standards | MT | 210.89 | USD | 20250919 |
| Henan Huiyihai | China national standards | MT | 175.74 | USD | 20250919 |
| Henan Sendi EnvTech | China national standards | MT | 201.05 | USD | 20250919 |
| Henan Sendi EnvTech | China national standards | MT | 194.02 | USD | 20250919 |
| Shanghai Guoke | China national standards | MT | 260.09 | USD | 20250919 |