floudspeakers, communication-use phones, phonicinstruments and connectors with large production capacity, various types and series. They are widely used as phonic parts in radio -cassettes, electro sical toys, telephones,microphones,super-thin radio , house hold electric appliances and clocks. The factory has a standardized workshop of more than 300m2 with more than 500 workers with strong technical force, advanced technique, perfect testing means and skilled workers