Company Advantages
1. The design of spiral fast door's body frame is based on effect improvement and insufficiencies amendment.
2. The aluminum door design of spiral fast door allows consumers to experience the perfect visual perception.
3. The product features overloading protection. When the circuit breaks down and the return circuit current increases, the resistance of restricting overloading protection thermistor goes up sharply for being warm, until the circuit is cut off.

4. spiral fast door is to the taste of overseas markets.

Company Features
1. Shenzhen Hongfa Automatic Door Co, Ltd. is mainly engaged in the development and production of spiral fast door products. Hongfa leads the peak in the field of security door .
2. Shenzhen Hongfa Automatic Door Co, Ltd. is equipped with a batch of the most advanced production machines.
3. Shenzhen Hongfa Automatic Door Co, Ltd. will strengthen management to ensure the quality and quantity of products and services for customers. Please contact us!