brass female thread stop valve for plumbling 20 years produce experience. ISO certification. MOQ:1000 pcs. widely to use . shanghai jingyuantong valve&pipeline co.,ltd.product name: brass female thread stop valve for plumbling brand name:jingyuantong.connection:female thread connection.feature:1.superior raw material to make it.2.CNC machine make it with high precision.3.easy to install and ...