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PUSH PULL Dual hinge system:
Unmatched safety record and
absolute tightness in PUSH PULL
twin shaft system . Loading Close
dependence and the curtain at the
bottom of the traditional fast door
to achieve.
You can drive dual axis system so that the upper curtain sprocket perfect bite does not depend on the door of its own weight can be achieved test closing , this parented technology to avoided the hard parts usage of. More than one million times the durability performance : Speed doors reduce the use of materials , easy to wear , strong and flexible curtain is very durable , can withstand millions of opening and closing operation , in the use of some products has reached 500 million times for opening and closing.
