1.CNC Angle Mark,Punching Cutting Line 2.Imported electronic, hydraulic & pneumatic elements 3.CNC controlling, servo motor APLH-2020 CNC Angle ... and shearing in iron tower manufacturing industry. 2) CNC automatic production line offers high punching speed and ... composed of transverse conveyor, rotating loading system, infeed conveyor, CNC infeed carriage, marking unit, punching unit, shearing unit, ...