Improve the basis of 4V series,improve the internal structure to enhance the performance.
Inner structure of body processed by Japanese equipment,surface roughness is 0,02um,frictional resistance is small,start air pressure is low,and the life span is over 3000 million.
Manufacturing process using German technology.
Internal using high performance lubricants DuPont.
The max.actuation frequency of up to 5 times/sec.