... MOQ No surface treatment Rotating parts Yunkai mechanics service for CNC machining parts1.Materials: aluminum, stainless/carbon steel, ... .Machining process: Sawing, turning, drilling, milling, grinding, CNC machining, polishing 3.Surface finish: zinc/chrome plating, sandblasting ... accordance with per client drawings and requirementsRapid reply for each inquiry100% inspection on each critical dimension ...