GLS S.r.l. company to Callegari Giulio has been producing turned details and special design screws for years. The results we got so far are to years of experience and to the high quality of both tools and structures without considering the high quality of who is working in the firm. Even if it is not certificated so far (it will be one of our next objects) we vie sophisticated instruments to check our final product. We are already using high precision instruments and very high technology. This firm is able to produce any detail you need and overall with any kind of raw material and with any surface finish