Expert Systems Holdings Limited that is listed with stock code 8319 on the Stock Exchange of Hong Kong Limited. We provide extensive and comprehensive IT infrastructure solutions using the technology and expertise from various manufacturer suppliers to customers who need to address the ever-changing business environment. We assess, design and implement IT infrastructure solutions for our customers by integrating different hardware and software sourced from third party suppliers to satisfy various IT requirements and needs of our customers. Our IT infrastructure solutions cover various aspects, some of which involve the latest IT inventions and highly specialised skills and expertise. The key aspects of our IT infrastructure solutions include virtualisation, software-defined data centre, enterprise mobility management, network infrastructure and information security.