Perfect combanation between the drive piston and track made of hign strenth Alumium alloy after casting to insure the long-term,quiet and effect operation of the user.

Suitable  for the single way door with the maximum width of 1200*2100,and withstanding the maximum weight 50kgs

general-purpose design for optonal design of right hand and left hand door with the openning angle up to 180 degree

two stage speed regulation

Ivory or dark brown to match  with the commom colou of the door or the colour is custon-designed