... package or as you nee 1.This type of flange strictly executive ANSI B 16.5/ANSI B 16.47(JIS/DIN/BS ... .advanced production equipment ,sophisticated manufacturing technology,complete inspection means;5.The material of stainless steel includes 201#,202#,301#,304#,304L#,316 ... items be of interest to you,please let us know,We'll be happy to give you details. DIN standard flange/plastic flange