Jung Jin established in 1980,Manufacture the Testing & Measuring Instrument such as Caller ID Tester,Signal Generator, Telephone Tester,Modulation Meter, Pager Tester, etc.Jung Jin as acknowledged leader in this field, supply the goods with high quality and reasonable price to domestic and overseas market. Whether developing or manufacturing radio,TV,audio equipment,CB sets, pager or cordless telephone, consider JUNG JIN as the source for precise and reliable testing and measuring instrument.
