it is widely used in many places,such as outdoorindoor large
passageway entrance,heavy industry,light industry,frequently opened car interval sound,printing and packaging,automobile assembly
precision machinery,logistics channel,windproof door and so on
1.It has many functions,such as heat preservation,insect-proof, wind-proof,dust-proof,nolse-proof,odor-proof and air convection
prevention,etc.t can satisfy high-performance ogistics and clean
workshop,save energy and improve air-conditioning effect.  2.High-speed operation(500-1000mm/sec),frequent opening
(800-1000 tmes/day),improve operation efficiency and environmental
quality;
3.Servioe temperature:-45ºC+70ºC
4.Door curtain materials:imported high-density polyester fiber suface coating treatment,thickness 0.8mm-1.5mm,tensile strength
5700/5100N/5cm,tear strength 900/80N;Fire protection level:German
standard MZD/NBL flame retardant
5.Transparent windows:imported PVC transparent crysta soft
board,1.5mm thick,rectangular oroval;
6.Wind-resistant material:Aluminum alloy wind-resistant circular
pipe,sectional connection,easy replacement;
7.Wind resistance:28m/s;
8.Safety configuration:standard pressure airbag,warning lamp,anti-colision column,power failure manual
rocker;

Shenzhen Huajie Door Industry Co., Ltd., founded on September 15, 2020, is headquartered in Shenzhen, China. The company specializes in the manufacturing and sales of industrial and commercial door solutions, including:
PVC Roller Shutters
Rigid High-Speed Doors
Stacking Doors
Industrial Sectional Doors
Automatic Sensor Doors
Steel Doors
Rolling Shutters
Loading Dock Systems
Dock Seals
Retractable Gates
In addition to door products, Huajie provides door accessories sales, e-commerce operations, domestic trade, and technology import/export services, offering end-to-end solutions across the entire door industry supply chain.
Guided by the core principles of "Integrity and Innovation", the company is committed to delivering high-efficiency, durable door systems tailored to meet the demands of industrial clients. Whether for warehouses, factories, or logistics facilities, Huajie prioritizes quality, reliability, and customized service to ensure optimal performance and safety.