Yueqing Great Wall Electroacoustics Factory is founded in 1993, has over 17 years of export experience,Our products include electric bells, fire bells, warning lights, sirens, time switches, electric whistles and doorbells. They are applied in the fields of police, scientific research, factory, school, traffic system, machine accessories and amusement.



We fully comply with ISO 9001 standards. Strict checking is carried out to ensure product performance. And we will continue to develop new products to meet the markets' demands and supply our customers with high quality...