Feature:

1.driving by chain wheel, chain and screw guide, making stretch sreen Synchronization

2.lift-up screen synchronous by serveral cylinders, making screen cloth and screen line non-tranferable. It is convenient to stick net.

3.you can contract or expand the size of screen stretchers shelf according to the size of screen cloth and screen frame. It is very convenient to make position.

4.if the screen frame is small, you can streth serveral screen frames at the same time.

5.it has structure with chain tension.

6.orienting, locating by guides in order to make stretch screen parallel move, prevent machine from tranferable, protect screw guide