| Vendor | Spec | Unit | Price | Currency | Date |
| Shangqiu Ruibai | China national standards | MT | 2184.23 | USD | 20260424 |
| Dongying Yimeide Chem | China national standards | MT | 2111.42 | USD | 20260424 |
| Anhui Zhonghuifa | China national standards | MT | 2184.23 | USD | 20260424 |
| Shangqiu Ruibai | China national standards | MT | 2185.47 | USD | 20260423 |
| Dongying Yimeide Chem | China national standards | MT | 2112.62 | USD | 20260423 |
| Anhui Zhonghuifa | China national standards | MT | 2185.47 | USD | 20260423 |
| Shangqiu Ruibai | China national standards | MT | 2185.47 | USD | 20260422 |
| Dongying Yimeide Chem | China national standards | MT | 2112.62 | USD | 20260422 |
| Anhui Zhonghuifa | China national standards | MT | 2185.47 | USD | 20260422 |
| Shangqiu Ruibai | China national standards | MT | 2186.78 | USD | 20260421 |