Reduced Costs：No torsion spring system, reduce the whole set of balancedtorsion spring system during installation, material cost savingmore than
15% and installation cost reduction more than 30%.
Simple and Efficient
New torsion spring-free structure, simple design, easy to installand easy to get started, low coefficient of difficulty for doorinstallation, the commissioning efficiency after door installationhas been increased several times, and the return rate is low.
Security Upgrades
No torsion spring system, so that the door body in the operationof the door due to the weight of the wire rope will not be loose,thus ensuring that the wire rope is not easy to scatter, reduceafter-sales and greatly improve the use of the door body safety.Increase the motor brake system level fall arrester, double protec-tion to enhance the safety of the door body use.
Anti-theft Upgrade
No torsion spring system, so that the door body in the lowerlimitposition due to the weight of the door can not be easilylifted, antitheft security is greatly improved.
