1.Name:Cast Iron Handwheel 2.Certificated:ISO9001:2000 3.Material:Cast Iron,Plastic, ... ,Plastic,Bakelite(2) Type: Bakelite Handwheel,Double Spoked Handwheel,Inner Corrugation Handwheel,Back Corrugation Handwheel,Papilionaceous Type Handwheel ,Foldable Handwheel(3)Surface treatments: Sand blasting, ... grinding machinesJB/T7273.8-94 DdH100123212514361601640200184525022 255032022 2855 Cast Iron Handwheel