Drywall through bushing is a new type of drywall bushing,applying new type insulating material for the internal insulation,using high performance,high temperature silicon sulfide hydrocarbon for the external insulation,with fine anti-pollution and explosion proof performance,it accords with the develop trend of non-oil and miniaturization of the power department. It is a new generation of HV product satisfying requirements of urban & rural power network reformation.wall through bushingdrywall through bushing