Gravity casting leading professional technology and competitive price for a win-win cooperation Gravity casting 1) Material: Aluminum Alloy2) Aluminum gravity casting is made by permanent mould, then machining and T6 heat treatment.3) 3 types of mould is available: die castings, sand and permanent mould casting.4) software for drawing: pro/E, auto CAD, UG, CAD, PDF and solid works 2008 flow ...