Welcome to GRIDATAMA EQUIPMENT , We are large distributor for laboratories equipment,test equipment such as calibrator and others , and also some of surveying equipments. We sell the latest and used products, for new ones, all have an official warranty from the manufacturer, and for used ones, our company provides a 1 year warranty. The prices we offer are very affordable, because our company buys directly from manufacturers in large quantities, and of course the products we sell are 100% original and have official warranty. Please take your time to check whch product suit your needed, or just ask our customer service for what your looking for. We WILL TRY TO SATISFIED YOU IN ANY KIND OF WAY!!!!