YueQing TIANHONG electron co.,LTD. located at Liushi town,the Capital of electric apparatus in China.The "WTH"Brand digital wireless remote control doorbells we produce have obtained CE,R&TE certificate and the products find a good sale in America,Europe,South America and Australia and so on.The company has first class quality,first class service. We give you sincere welcome to cooperate for trading and guiding.