COELBO s.r.l. was established in 1971 and its target was to propose new products and services that were adequate to the increasing demands of the market and that optimized, at the same time, the quality/price relation, in spite of setting up a firm’s policy turned, before all, to the satisfaction of their own customers. The society has specialized, engaging a privileged position as supplying of leader firms, in potentially explosive atmospheres, in particular in the planning and manufacturing of Explosion Proof Electrical Equipment (Ex d), according to actual national and international standards about this feature. The firm’s dimension allows a great flexibility in order administration and, above all, in terms of delivery, constantly pursuing punctuality and availability toward our customers, with limits imposed by technical reasons, while never losing sight of the quality, by us considered of primary importance. Besides, the recent introduction of machine tools with numerical control and control machines in our production cycle allowed us to optimize control of the productive processes so as to consolidate the COELBO icon like guarantee of quality. The adaptation of all our products with ATEx Directive and the international IECEx certification scheme, keeps our company among the most competitive on the market, driving us further on to the search of new developments turned to the realization of products, which are constantly to the van.