JH Electric Co.,ltd is an enterprise specializing in manufacturing, marketing and R&D of Mechanical tensioner, Magnetic tensioner, electronic tensioner and servo tensioner Tx-coil /Rx-coil for wireless charger, Inductor coil, toy coil, RFID antenna coil, ICR-Coil and so on. The product is widely used in electronic and electric, information communication, automobile electronic, safety production, space and aviation, petrochemical industry and building industry ,. Etc The qualification of most product has met the technical and quality standard of Germany, The U.S., Japanese and other developed countries.