Welcome to our e-catalog.Here, you can get some useful information about our products and company. We hope you can enjoy yout visit.Nao digital, which has been striving to develop intelligent Controller products to construct various integration centers and accomplish intelligent environment creating the values. As a supplier of 'Automatic Control and Systems Integration Professional Service', we would like to provide you eminent quallity and services based on state of art technology. Concerning your inquiries, please feel free to contact us. Thank you!