... sand paper, with antirust.III,Stroke configuration1. The machine is controlled by hydraulic electric, stroker can be adjusted at random, stop moving ... standard ,the press angle precision can be ±45´5. With slowly falling function, the worker can control the machine easily.VI. ... 3 Oil pump Shanghai Kong Ting4 Electrical pieces SIEMENS hydraulic press brake,hydraulic bending machine WC67K-200T4000