Every ingredient of Hongfa high speed roller shutter doors has undergone a strict antimicrobial effectiveness test and is scientifically assessed by our professional QC team. 2.
The quality test of Hongfa high speed roller shutter doors is conducted by the quality control team who holds food safety certification in the dining tools industry. 3.
This product has good thermal properties. The use of low-e and spectrally selective coatings significantly reduce energy loads and improve comfort close to the wall.
Quality is strictly controlled by Hongfa's own factory's professional QC team. Company Features1.
Focused exclusively on the manufacture of high speed roller shutter doors, Shenzhen Hongfa Automatic Door Co, Ltd. provides world-class expertise and a genuine concern for customers success. 2.
We take pride in our QC team. They are meticulous about our quality control and enable us to provide cost-effective and high-quality products for our customers. The factory has implemented a strict QC process system. This system includes preliminary inspection (ensuring the quality of the raw materials), in-process quality control (ensuring machining quality), and output quality control of finished products (testing on the performance and reliability). 3.
Hongfa brand will make a further step to develop the quality of service. Contact us! Shenzhen Hongfa Automatic Door Co, Ltd. delivers value to our customers that help them succeed. Contact us!