Nodular cast iron ring with black epoxy paint: In view of the problem of the precipitation of alkaline substances in the lining of ordinary cement mortar, strong penetrating epoxy paint, epoxy ceramic paint and water-based epoxy paint were selected as the
Interactive Touch Screen All-in-One Computer All-In-One computer is great as touch panel for educational (school, university, training center) and business applications (meeting rooms). Single touch panel will substitute few common devices: white board,