... ),stainless steel(SS316L,SS304L,SS316,SS304)3.Technics:sand casting,precision casting water glass process4.standard:ANSI,DIN5.Certificate:Certificate of ... product: Dongying Kaiyuan Machinery Parts Manufacturing Co.,LtdCasting processSand casting,precision castingStandardAISI,dINMachining and processHeat treatment,polishing,sand blasting,painting,electro ...