ZHEJIANG SIFANG ELECTIRICAL CO.,LTD.

our factory founded in 1970, was China most early produces one of electric power electronic device shareholding systems, the testimony China electric power electron profession development, participation has drafted the product profession standard, The leading product has “sifang�the sign electric valve, the thyristor, the fast thyristor, the electric power module, the solid state relay and each kind of electric power electronic building brick and so on 80 products.

electric valve, bidirectional thyristor, fast thyristor, module contour, semiconductor device, restores the diode quickly