Established in 1980, shenzhen qiaohua industries limited has become one of the biggest manufacturers and exporters of wireless doorbell and video doorphone in China. All our 24 production lines and the whole production proces strictly adhere to ISO 9001:2008 Quality Control Systems, which ensure the products out-standing, stable performance, and honor CE, ETL, GS, Rohs, R&TTE, FCC and UL certificate. With 32 years&＃039; experience in OEM/ODM service, QIAOHUA has won a good reputation in the customers from over 100 countries and regions all over the world. Now our main market are the whole europe, USA, Japan, Australia, South America as well as others.