YueQing Tianhong Electron Co.,Ltd. Located in Capital of the electric apparatus Willow city.Insisted on the quality first all the time since the company established, Aim that consumers first, Rely on rich technical force, Learn wildly from other's strong points anddevelop the new products constantly. Make enterprises in the fierce market competition, Can still keep more violent growth momentum . Serial electronic remote control doorbell should " TH" which our company produces with its price of fine quality, Complete in specifications and well received by domestic and international customer, The products find a good sale in America and Europe , South America , Australia.