... forged type Sanitary stainless steel pipe fittings,butterfly valve,check valve ,pump(ISO9001:2008,CE,TUV certificed)Standard:DIN ... round/hex nut+liner+male+gasketSurface Treatment: mirror/fully precision machined by LG-MAZAK machine. Quality/Certificate: ... pharmacy, biology and chemical industry. Other Choice Pneumatic valve and Electric valve (100% Tested /100% Inspected)YODSN company specializes ...