double coil winding machine for resistance wire

Is there a machine factory for double coil winding machine for resistance wire? How to buy double coil winding machine for resistance wire? Where is the professional heater machine factroy in China? The working theory of RS-328B resistance-wire winding machine for the manufacturing of compact spiral coils is to reel the coil to the payoff with a brake gear, guide the resistance wire to precision spinning by the wire carrier, and twine the wire around the core axle by an