Established in 1996, Shenzhen Alean Security Equipment Co., Ltd. is a high-tech enterprise integrating the R&D, design, manufacture and sale of security products. We have been in the security field for over 15 years,and now we are one of the leaders in the security industry in China. Our products include intruder/burglar alarm, fire alarm, CCTV and other related products. Our sales network covers all over our country and other 60 countries and regions worldwide. We get CCC and CE ...