Shenzhen Hezhong Electronics Technology CO.LTD is a high-tech security protection , inspection products manufacturer incorporating with research and development, manufacture marketing, and maintenance in security productssecurity protection metal detector:security protection X-ray baggage machinesecurity protection alarm system and video door phone.with well-equipped testing equipment and strong technical force,our products have been exported to North AmericaAustralia,indiaRussia,AsiaMid-East,EuropeSouth America,Africaand so on in the world.,br>brWorking in line with principle of >Integrity” quality service,”our products are widely recognized and trusted by users and can meet continuously developing economic and social needs.br