... et We are an ISO certified manufacturer of high quality CNC machining parts,turning, milling, forging and ... metal components & assemblies. In addition to strict quality control system, we also establish a team of ... by ISO certified manufacturer - visionseal co.,ltdQC:Strict quality control for machining work by SPC, PCP, PPAP ... material - INVAR, REMKO B, NORYL, POM, ACETAL high quality CNC machining