ZDTECH ASIA LIMITED is member of ZD Asia GROUP. The ZD Asia Group, founded in 1998, is one of the leading IT solutions providers in Hong Kong. With over 6 year experience, we become a trusted Software & Hardware solutions provider serving our clients in Hong Kong and China for every security and application concern. We always focus on the development of our strengths and expertise in security solutions, our core business activities include: Provide professional consultancy service to our clients. Provide remote surveillance solutions for offices, industrial buildings, shops, public areas and outdoor environment Provide single/multi door smart card access control solutions, with attendance and payroll software Provide out sourcing software application development. The long-lasting relationships with our partners and our insistency to service quality are our major success factors, and leading us to maintain a strong reputation among our clients.