In-sail/Sandum is dedicated to manufacturing of precision components and the design, fabrication of engineering specialty fasteners and fastening solution development. We got rich experience and solid technical base as well as advanced facilities to meet the OEM need of all industries. Totally we own automatic lathes, CNC lathes, CNC machining centers, stamping machines, cold heading machines and other machines, which add up to almost 500. Our clients, who are in industries like automotive, ...