1.,GIS compensation, 2,High precision, 3,low leakage rate, 4,ISO9001 2008 PackingValve detection equipment machining equipmentForging machine(250 ton)CNC latheMachining center Our company specializes in producing high-voltage electrical apparatus matching production, including large-scale housing casting, conductor, precise valve, pipe fitting, shielding case and machining products. We have our ...