... is grey iron and ductile iron SpecificationsGrey iron casting connection part;1. it's pipe fitting castings 2. ... for different kinds of metal parts. We are making Die casting, casting, with different materials, such as brass, aluminum alloy ... material test certificates are available upon request ItemDescriptionProcessing TechnicDie casting Part materialADC12, A380, AlSi12, A356, ZL102, YL104, YL112 ...