STANDARD:DIN,JIS.ANSI,BS,UNI,GB CERTIFICATE:KS ,CCS,ISO9001-2009 typeflange,forged flange,plate flangesize1/2"--96"wall thicknesssch20-sch160standardDIN,JIS,ANSI,BS,GBmaterialcarbon steel:ANSI A105,Q235,16Mnconnectionbutt-weldingqualityISO9001-2008,KS,CCSapplicationsoil,gas,chemical,industry,electric power,boilerpackagingplywood cases,wooden pallet plastic bagproductivity600t/m