Standard products has adopted ball screw,precision products has adopted grinding screw ;Slide has adopted linear bearing;Elastic couplings adopts high-quality imported products ,ensure the machine quality .The design of limited swtiches and zero switch,standard interface are convenient for signal’s output. The handwheel in the back of motors,can achieve manual adjustment. Standard hole is convenient for combined-dimensional ;Additionally , can reload servo- motor ,assemble grating,install un-dust cover ;Application for high load and high-stability fileds ,extensively used in industry.