Gravity die casting 1)factory price & good 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 pressure die casting, low pressure die casting and CNC machining castingPrecision machining: CNC turning, milling, drilling, grinding, cutting, reaming and ...