Production of gears and worm screws, thread profile grinding, speed reducer design The history of our company began in 1960 when the founder gave his name and life to the "Mario Tremolada Mechanical Workshop" , initially focusing on precision turning operations. The field of activity expanded rapidly and the first speed reducer was created in 1960, which was followed by an ever greater specialization in the production of motion transmission components with the setting up of special departments for gear toothing and for threading of worms. Following this path, in 1987 the foundation of “Tre.vi. Snc ” , on the occasion of the entry into the company organization chart of other members of the Tremolada family. The current name dates back to 1995 with the acquisition by Tre.Vi. of the "SIR Società Italiana Riduttori". Trevi By Sir Processing Worm screw profile grinding Gears Endless screws Speed Reducers Evolventimeter Mechanical jacks Stainless steel angle transmissions Where we are Contacts Trevi By Sir srl Via Galileo Galilei, 9/11 - 20060 Pessano con Bornago (MI) Tel: +39 02 95742837 - Fax: +39 02 95743355 - Email: info@trevibysir.it - VAT: 12402200153 Powered by sitiegrafica. com and ideasiti.com