HDH SECURITY GROUP LIMITED is a leading manufacturer and global exporter of high quality CCTV security products. Our core products range from professional CCTV cameras and DVR to powerful IR illuminators. With over 6 years' experience, our customers have consistently evaluated our cameras to be of the highest quality and reliability, so that HDH now has markets in over 60 countries worldwide. Hdh Security Group Limited is able to offer professional, comprehensive OEM and ODM schemes. Efficient production methods coupled with lower costs of production enable us to deliver a competitive price point without compromising quality. If you are interested in any of our products, please feel free to contact us.