Shenzhen City Bandary Industrial Co. , Ltd. was established in 2013. It is a well-known electro-acoustic technology enterprise integrating R & D, manufacturing, sales and supporting after-sales service, products include speaker, Buzzer, receiver, sensor, microphone and other electro-acoustic products, widely used in mobile phones, notebook computers, portable DVD, LCD/TV, GPS, automatic alarm, security and other consumer electronics products and communications equipment products. Since the beginning of 2014 all introduced Rohs materials and processes, in 2019 on environmental testing instruments (Sunshine Tester, electroacoustic Tester, buzzer tester, frequency scanner, receiver tester, polarity tester, spectrum analyzer tester, microphone tester..