High speed door
Hongfa high speed roller shutter doors by the Division we learn from foreign advanced technology and equipment , and to draw on the advantages of similar products in domestic self-developed high-tech products , with insulation , insects, wind , dust, noise, anti-odor, lighting and many other features , the high speed door can be widely used in food , chemical , textile , refrigeration , electronics , printing , assembly , precision machinery , logistics . warehousing and other places , the high speed rolling shutter door Can be extremely satisfying frequent high-performance logistics and clean place with a variety of needs and saving energy , increasing air-conditioning effect , fast closing , improve operational efficiency and create a better work environment
PVC high speed door include PVC Rolling shutter door , pvc High Speed Stacking Door , PVC high speed freezer door ,the door frame material is stainless steel and the curtain the France high-density polyester fiber and the surface coating processing, thickness 0.8MM, variety colors can be chose: Red, yellow, blue, green, orange, gray, white, transparent, etc. Tensile strength: 4000/3500N/5cm, tear strength 600/600N. Fire-proofing level: German standard DIN75200 Usage temperature: -30 ° C +70 ° C.
PVC High Speed Doors, high speed fabric doors, high speed rubber doors,PVC Roll up door,stainless steel rolling door SHENZHEN HONGFA AUTOMATIC DOOR CO., LTD , https://www.hongfafrs.com
New gas automatic security valve research and development success
A new type of gas automatic security valve recently successfully developed and put on the market. The product uses the principle of micro-power control and a number of patented technologies, for a variety of gas features, set gas automatic monitoring and automatic control technology in one, with fire, anti-virus and environmental protection and other characteristics. Safety valve can make the gas pipe leaks caused by leaks and other reasons or in the extinguishment of the fire, the valve can be automatically closed, cut off the power to prevent accidents. At present, the State Economic and Trade Commission has listed the product as a "state-level key new product" and has been recognized by the Consumers Association of China as a "quality assured" brand.