| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Guang Longyu Chem | China national standards | MT | USD | 20250918 | |
| Shandong Huize Chem | Reagent Grade | MT | USD | 20250918 | |
| Hubei Shuanghuan Tech | China national standards | MT | USD | 20250918 | |
| Langfang Fanbei Bio | Reagent Grade | MT | USD | 20250918 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250918 | |
| Hunan Jianghai Env | China national standards | MT | USD | 20250916 | |
| Shandong Laya Chem | Reagent Grade | MT | USD | 20250916 | |
| Shandong Huize Chem | Reagent Grade | MT | USD | 20250916 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250916 | |
| Shandong Laya Chem | Reagent Grade | MT | USD | 20250915 |
