Outer tube machining line Outer tube machining line Capacity: The facility can produce 30,000 outer tubes per month. Flexible Turning Machines: Capable of machining both flared and straight tubes. BTA Machine: WIDMA CNC Twin Spindle Machine (SPM) for precision machining. PLC Leak Testing Machine: Used for testing outer tubes. PLC Laser Non-Contact OD Measuring System: Ensures precise outer tube diameter measurement without physical contact.