... metal/plastic prototype 3.SLS/SLA rapid prototype 4.Vacuum casting VOWIN is a market leader in Rapid Product Development, ... run parts using Selective Laser Sintering (SLS) ,SLA and Vacuum casting (RTV), CNC Machining and other technologies. Main service1,CNC Plastic ... and cigarette,bowl,spoon,cup,dish ect.6). Toys, Game handle/controller, Toy plane and etc. Zinc,Magnesium alloy die-casting parts