The expert in the graphite Bi-polar plate for fuel cells , The pioneer plates industrialization?    SHF began to engage field 2003 and succeed R&D super thin which cut down volume weight of stack dramatically with excellent performance stable application, especially very ...

Specialized in researching , developing, designing manufacturing and selling the magnetic sensors, hall IC, effect sensor, switch, current elements, unipolar Hall switch bipolar linear latch position sensors. ...