windmill generator 20kw permanent magnetic generator three-phase CE Certificate and ISO9001 2000 ... after-sales service for customers.The magnet steel uses Rb, Fe, P, RE, permanent magnet inlayed, use ... efficiency and lower the starting twisting moment of the generator.According to the aerodynamics, the special design of ... :generatorBladesweel hub and press boardtowerdogvaneanemoscope windmill generator