... :stainless steel3.Application:machinery4.Certification:ISO9001:20005.Packaging:wooden box IntroductionWe ... alloy , zinc alloy , brass , gray iron , nodular cast iron , ductile iron specified StandardASTM , AISI , BS , DIN , JIS , NF ProcessInvestment casting , die casting , gravity casting , sand casting ... impact testing. CertificateISO9001:2000 Main productsCNC Machining Parts , Investment Castings