This is rainbow from changzhou Dahua lock factory co,ltd which is a professional manufactuer in producing various door locks and electronic door locks since 1987.
Through more than 27 years development and effort, we have been a leader in this field of China. our working place is more than 20,000 SQM and we have passed ISO9001,ISO14001,CE various certifications . our output reaches 5,000,000 pieces per year .with good quality and competitive price lead to the cooperation with cisa and yale for more than 10 years.
Changzhou dahua lock factory co.,ltd