| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | Reagent Grade | MT | 57.93 | USD | 20251209 |
| Henan Baoxin Tech | China national standards | MT | 138.47 | USD | 20251209 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 190.75 | USD | 20251209 |
| Shandong Jinshenrun Chem | China national standards | MT | 98.91 | USD | 20251209 |
| Jinan Jinrihe Chem | China national standards | MT | 84.78 | USD | 20251209 |
| Shandong Qiangsen Chem | China national standards | MT | 103.15 | USD | 20251209 |
| Shanghai Guoke | China national standards | MT | 124.34 | USD | 20251209 |
| Hunan Jianghai Env | China national standards | MT | 110.21 | USD | 20251209 |
| Hunan Jianghai Env | China national standards | MT | 536.93 | USD | 20251209 |
| Henan Leavit Chem | China national standards | MT | 110.21 | USD | 20251209 |