... plastic 2.Process:turning surface treatment:no High Precision turning machine plastic custom part :Material:plastic of PCsurface treatment:notype ... Machining, Turning, Milling, Stamping, Die Casting, injection mould,4&5 axis machining Applicable MaterialAluminum/zinc alloy, iron, steel alloy, plastic ... long-term,thank you in advance. High Precision plastic pc custom made turning machine part