The design of Hongfa high speed roll up doors is elaborate. It addresses the following areas of research and inquiry: Human Factors (anthropometry and ergonomics), Humanities (psychology, sociology, and human perception), Materials (features and performance), etc. 2.
The strict internal quality control system enables high speed shutter door to reach the international leading level. 3.
A series of tests are conducted to improve qualification ratio.
The product does no harm to the human body. People can rest assured that it does not contain any residual pesticide and other toxic chemicals. 5.
This product can fit the natural shape of people's feet. So people who use this product will not easily have a feet pain problem. Company Features1.
Hongfa brand now has been preceding over many other companies. Shenzhen Hongfa Automatic Door Co, Ltd. has been focusing on high speed shutter door OEM and ODM services since its inception. 2.
Produced by the innovative machine, Hongfa can guarantee the long service life of pvc high speed door . Hongfa appreciates a broader share in the marketplace thanks to the nice quality of rapid roll up door . 3.
Hongfa always regards quality and service as the key factors for a company's long-term development. Contact us!