We are DOYE STEEL,the main products include stainless steel flanges and fittings.
such as WN,SO,BL ,PL,SW Flange,elbow,tee,coulping,cap,union,sockolet,swage nipple,etc.
Flanges,Size from 1/2" to 24" with 150# to 2500#
Fittings,Size from 1/2" to 4" with 3000# to 9000#
The material include 304/304L,316/316L,316Ti,321,347,310S,317L,904L,S31803,S32750,etc.
The standard according ASTM16.11,ANSI/ASTM16.5,,DIN,JIS,EN1092-1/BS4504,GOST12820,etc.