Tech Auto Pvt. Ltd. Manufactures CNC Turned Shafts. Tech Auto Pvt. Ltd is an ISO 9001:2008 and16949-2009 awarded company that also manufactures Sheet Metal, Tubular & Machined Components and Sub-Assemblies. CNC Turned Shafts are available with high durability. It is offered in variant shapes and size. These are designed by using qualitative raw material. The Shafts are corrosion resistant. These are also available as per customer requirement.