onsy has produced telecom products for eight years,which is specialized in researching and developing,designing and manufacturing a range of telecom products.and there is a strong research and development team,platforms of manufacturing industry 350 staff.there are superior manufacture and testing equipment.in the past eight years,we have customer from 42 countries and areas in the word market group.SONSY insist on the management theory of "creating value for customer",offers the hight-quality products,the most high-quality service,the most satisfactory price for market,earn profits for customer!