... ,sand casting,precision casting 2.Aluminium 3.small orders are acceptable. 4.Machining tolerance:0.02mm ... Material we can work on: Aluminium: ASTM 380,2017,2011,2024,5052,5053,5056,6013,6061 ... machine etcFor machining parts: Machining center, CNC lathes,Auto lathe, Normal lathe, Drilling machine,Polishing machine, grind machine etc customed aluminium sand casting