... of our alternators use Nd-Fe-B38 permanent magnet materials. And the housings use Aluminum Die Casting. It designed by the ... , easy to start up, compact structure, easy maintenance, high reliability and efficiency.We can supply Vertical Axis Permanent magnetic generator or ... .5kw,2kw, 3kw , 5kw, 10kw,15kw,20kw, 30kw, 50kw , 80kw, 100kw . 200kw, 300kw 3kw wind turbine Permanent Magnet Generator