POATS can produce tubular heating elements almost in all shapes, from 50C till 500Cvariation, be used cooking, water and gas Advantage:1, POATS can produce tubular heating elements almost in all shapes.2, From 50°C' till 500°C' limitless variation3, POATS can produce tubular heating elements be used not only for cooking but also for heating air and water.4, high efficiency, low energy consumption ...