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 amusemen we have the ISO 9000/9001/9004/19011: 2000
certification,Relying on excellent quality, excellent servicet..... |
