... Certificate:ISO9001-2008,CE Sanitary Stainless Steel Fittings 1) Standard: SMS, DIN, ISO, 3A, IDF etc. ... stainless steel fittings, such as cleaning balls, sampling valves, check valves, elbow,tee, reducer. Company profile: Wenzhou Lueyu ... ,sales of the hygiene grade pipe fittings valves,the stainless steel industrial pipeline fittings,all ... standards such as GB,HG,HGJ,SHJ and API,ANSI, MSS-SP and BS, NID, ...