About AleanAlean ?The No.1 brand of the intruder alarm industry!Established in 1996, Shenzhen Alean Security Equipment Co., Ltd which is a high-tech enterprise integrating R&D, design, manufacturing and sales of security products. We have been committing to the security field for over 15 years, and now become one of the leaders in China security industry. Our products range includes intruder alarm system, CCTV surveillance system and other series.
