Established in 1999, JING HUA LONG SAFEGUARD INT'L LIMITED is a high-tech company integrating R&D, manufacturing and sales of the security equipment and fire accessories, especially in the field of anti-theft alarm. With more than 10 years development, now we have nearly 200 employees, products including alarm systems, PIR detector, smoke detector, gas detector, water detector, vibration detector, active beam detectors, infrared barrier, magnetic contact, sirens, strobe light, button, fi