The specialized production ZJT buzzer, the electromagnetic buzzer, the integration buzzer, the piezoelectricity type buzzer, the musical sound buzzer, series and so on alarm apparatus, the product....
DONGGUAN ZHIJIA TECHNOLOGY CO., LTD is concentrates the development, the production, the sales electroacoustics product includes: Loudspeaker, buzzer, onamot, earphone company! The company product....