| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Chengxin Chem | China national standards | MT | USD | 20260331 | |
| Shandong Dingsheng Ruihe | China national standards | MT | USD | 20260331 | |
| Weifang Chengxin Chemical | China national standards | MT | USD | 20260331 | |
| Henan Zihe | China national standards | MT | USD | 20260331 | |
| Weifang Yixin Chem | China national standards | MT | USD | 20260331 | |
| Liaocheng Yuanze Chem | China national standards | MT | USD | 20260331 | |
| Jinan Zesheng | China national standards | MT | USD | 20260331 | |
| Shandong Mingyu | China national standards | MT | USD | 20260331 | |
| Shandong Zhenkun | China national standards | MT | USD | 20260331 | |
| Guangzhou Tianyue Chem | China national standards | MT | USD | 20260331 |
