... price Prompt delivery time Quality Certification: ISO9001:2008 Metal Shell Case Through its CNC punches and CNC bending machines, ... Malleable iron; Tungsten steel, etc.Machining processesMetal fabrication, machining, welding, forming, shaping, punching, drilling, turning, milling, grinding, chip formatting, ... -CNC center processes.welding and painting workshopSheet-metal workshop Metal Shell Case