Established in 1964, Ningbo Sihai Appliance Electrical and Machinery Company is a professional manufacturer and exporter that is concerned with the manufacture of centrifugal switches, connecting plates, wiring boxes, fans and electromotors. All of our products are produced in line with international quality standards and are shipped to a variety of different markets throughout the world.



With 30 years experience we have a domestic market share of 65%, making us the largest centrifugal switch producer in China. We have over 60 varieties with more than 80 specifications and...