One: the high voltage equipment: motor insulator. Transport insulator. Insulator roll film.

Two: cable, communications wire and cable packaging. Function of cable packaging.

Three: printing line: flexible base plate. The printing line. Adhesive tape, and cable.

four: voltage machine: mica. Non-woven fibers. Polyvinyl chloride (PVC). Aluminium. Metal materials such as pressure layer. Capacitor (SMT, high temperature, high frequency, high reliability). The variable capacitor. Flexible circuit boards, membrane keyboard. Insulation materials, flat motor. Cable package. Industrial tape, internal coverage material...