1.DA41 CNC sytem 2.ISO9001 and CE 3.photovoltaic protection system 4.easy operation Performance1.Steel welded structure, stress elimination by vibration, high mechanical strength, and exceptional rigidity. 2.Hydraulic top-drive, steady and reliable.3.Mechanical stop and steel torsion bar to maintain synchronization and high precision. 4.Electric adjustment, manual fine adjustment, and digital ...