1, Patent No: ZL200720019824.9 2, AC servo transmission 3, no pollution, less noice,energy-saving, 4, CE and ISO9001:2008 CNC full servo driving press brake WSF67K-35/1250Patent number: ZL200720019824.9CNC press brake is also called CNC bending machine, hydraulic press brake, cnc hydraulic press brake, servo cnc press brake, electric press brake, electro-hydraulic synchronized CNC press brake, ...