hub 1.Materials:aluminum,brass, zinc 2.professional service 3.certificate: CE. 4.best price hub1.OEM service available2. standard: ISO; ANSI;ASTM; RoHS3.weight range : 0.1kg to 50kg.4. process : investment castings.5.Stable quality, conformity delivery, and professional service We are YONGKANG HUAXIONG PRESSURE CASTING FACTORY. We are one of the leading pressure casting factory and exporter in ...