... . 4.OEM&ODM Product nameOEM & ODM manufacture with conventional generalled led aluminum substrate for China supplierDie casting max size Aluminium ... 380, 13, 360, 390, 413Zinc alloys: Zamak 2, 3, 5, 7, ZA 8 and ZA 12Mould materials8407,H13,P20,etc ... Die casting ( Aluminium alloy or Zinc alloy )4.Precision machining 5.Surface treatment : burring ,polishing,electroplating .plated chrome ,silver ,golden ...