| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing WentongTech | China national standards | MT | 957.01 | USD | 20250930 |
| Beijing WentongTech | China national standards | MT | 957.01 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 900.71 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 900.71 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 900.71 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 900.71 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Jinan Jinrihe Chem | China national standards | MT | 914.78 | USD | 20250930 |
| Hunan Lixin Tech | China national standards | MT | 1069.59 | USD | 20250930 |
| Pingxiang Lixin BioTech | China national standards | MT | 1013.3 | USD | 20250930 |