our company is a manufacture the products of bobbin materials , voice coil wire and associated for speaker's voice coil , we have once-stop professional service for voice coil customer.
Aluminium foil , Nomex paper, kraft paper, kapton spiral type , Senker paper , PESVW ,EISVW, F-PESVW. F-EISVW , bobbin materials coated SV varnish , also coated lock varnish , heat resistance , light weight , good toughness , easy operation.