... quote:1.Specification inclouding bobbin,core dimensions and winding drawing,2.the quantity.High frequency transformer(EE,EI,ETD,PQ,RM,EF,ETC ... or inductors8) Multi-layer chip inductors9) Planar inductors10) Pot inductors11) Power chokes or inductors12) RF chokes or inductors13) RM inductors14) R ... of filters20) All kinds of transformers EE,EI,PQ,EF Power transformer