| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 194.12 | USD | 20250929 |
| Shanghai SKY Chem | China national standards | MT | 260.24 | USD | 20250929 |
| Jinan Jinrihe Chem | China national standards | MT | 168.8 | USD | 20250929 |
| Shandong Haihua | China national standards | MT | 189.9 | USD | 20250929 |
| Shandong Haihua | China national standards | MT | 211.0 | USD | 20250929 |
| Shandong Jinshenrun Chem | China national standards | MT | 182.87 | USD | 20250929 |
| Sichuan Hebang Bio | China national standards | MT | 232.1 | USD | 20250929 |
| Henan Sendi EnvTech | China national standards | MT | 196.94 | USD | 20250929 |
| Henan Sendi EnvTech | China national standards | MT | 194.12 | USD | 20250929 |
| Henan Sendi EnvTech | China national standards | MT | 201.16 | USD | 20250929 |