1.Sanitary ball valve (ISO9001:2000,CE,TUV) 2.DN10-DN200,1/2"- ... size can be customized 3.SS304,SS304L,SS316,SS316L Sanitary Ball ValveSurface treatment: mirror polished 320G,400G or matt polished 180G ... , 1K/5K potentiometer4)Device: YODSN combined CNC turning processing, CNC milling center, plastic injection, Die casting, press stamp, we introduced plenty ...