Hongfa cold storage door has to go through the salt spray test before it goes out of the factory. It is strictly tested in an artificial salt spray test chamber to check its corrosion resistant capacity. 2.
The performance of the product has an irreplaceable advantage in the market.
This product has high economic efficiency. Company Features1.
Shenzhen Hongfa Automatic Door Co, Ltd. is an export-oriented company that integrates cold storage door research, development, production and sales. 2.
Technical personnel in Hongfa guarantee the quality of fast door. 3.
The biggest wish of Hongfa is to become the leading fast shutter door supplier in the future. Call! With the great dream of being an outstanding cold storage doors manufacturer, Hongfa will work harder to improve customer satisfication. Call!