... AISI, NF, etcProcessInvestment castingWeight0.01kg- 70kgToleranceCT 4-6 grade, and based on the custom drawingsDrawing (files) formatIgs, Stp, ... will be added to the order.For the big one, T/T is preferred.4. How ... cooperation with TNT, FEDEX, UPS etc.For big quantity, air or sea would be available for ... to work with most of the 2D and 3D software, like Auto CAD, SolidWorks, Pro/Engineer, ...