The following lised insulation sensor all use epoxy vacuum pouring technology for one-time molding production. The bushing contact box insulating cylinder etc. insulating parts use AGP technology for molding. also use SMC DMC Unsaturated polyester enlargement mode plastic for compacting molding. All the product are applied to 3.6~40.5KV MV/HV switchgear Blue Jay accept customerized order for some specification size.