| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Yuanhe Chem | 99.5% | MT | USD | 20261014 | |
| Nantong Zhonghe Chem | 99.5% | MT | USD | 20261014 | |
| Zhoushan Guangxing Chemical | Process: n-butane oxidation method | MT | USD | 20261014 | |
| Shandong Laya Chem | Qixiang / GB Standard, ≥99.6% | MT | USD | 20261014 | |
| Langfang Zhaoqin Energy | 99.5% | MT | USD | 20261014 | |
| Jinan Jinrihe Chem | 99.5% | MT | USD | 20261014 | |
| Shandong Fusheng | Domestic / Premium Grade | MT | USD | 20261014 | |
| Shandong Jiaming Chemical | 99.5% | MT | USD | 20261014 | |
| Changzhou Guoshun Chem | 99.7% | MT | USD | 20261014 | |
| Shandong Langchem | Domestic / Premium Grade | MT | USD | 20261014 |
