Stainless Steel Welding Neck Flange Size:DN10-DN150,1/2"-24" Material:SUS304,SUS316L Certificate:ISO9001-2008,CE Stainless Steel Welding Neck Flange1) ... etc.7) Packing: Plywood case Company profile: Wenzhou Lueyu Pipe Fittings Manufacturing Co.,Ltd was founded in the 90s of last ... (ISO,DIN,IDF,SMS,3A),etc., the industrial pipe fittings can be manufactured according to the standards such as GB ...