| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Lianyungang Ruiheng | China national standards | MT | USD | 20260622 | |
| Harbin BLUE STAR | China national standards | MT | USD | 20260622 | |
| CNPC | China national standards | MT | USD | 20260622 | |
| HLJ Longjiang Chem | China national standards | MT | USD | 20260622 | |
| Weifang Chengxin Chemical | China national standards | MT | USD | 20260621 | |
| Shandong Aite Chem | China national standards | MT | USD | 20260621 | |
| Shandong Zhuoyu Chemical | China national standards | MT | USD | 20260621 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20260621 | |
| Shandong Dingsheng Ruihe | China national standards | MT | USD | 20260621 | |
| Shandong Beiluhengsheng | China national standards | MT | USD | 20260620 |
