... quality 2)punctual delivery 3)Professional maker 4)good workmanship Gravity die casting Material: Aluminum,Brass,Copper,Bronze,Steel,Stainless steelProcess: Sand casting, Gravity casting, high ... :All kinds of aluminum casting: include automotive parts, railroad parts, medical parts, marine parts, lighting parts, pump body, valve parts, architectural parts and furniture parts so onStandard: ASTM, DIN ...