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The brick-free machine is the most popular new brick-making equipment in the brick machine industry. The building materials industry has always recognized equipment, and the popularity is inevitable. This has led many to see business opportunities. Some small-scale brick-free brick factories are everywhere. Among them, there are some informal small-sized brick-free brick machine factories. The brick machines produced by these factories do not have trademarks without technical certification, and there is no quality guarantee. If these brick-free brick machines are sold in the market, they will definitely be consumers. Caused a great loss. Let consumers trust the entire urban area of ​​the brick-free industry.
Therefore, the state has made great rectifications for the small illegal fire-free brick machine factory. The national legal provisions are issued to the local urban governments, requiring all relevant departments to strengthen the quality supervision of new wall material products, limit and eliminate backward production capacity, and prevent blindness. Investment and low-level redundant construction, encourage and support the development of advanced production capacity, promote the structural adjustment and upgrading of the new wall material industry, and achieve a sound and rapid development of China's brick-free machine industry.
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Industrial sectional doors are the most durable and longest lasting doors to ensure circulation at the areas of the factory entrance and exit of goods, loading and unloading areas.
The body of sectional door is forming by 40 mm sandwich panels. These panels provides sound and heat insulation due to the intense doped polyurethane insulation was injected between galvanized steel sheet. (50 kg/m3).
Industrial sectional door systems provide space-saving with opening parallel to the ceiling.Any opening can be used clearly . and produces in accordance with the transition range and the height in the factory buildings or warehouses.
Doors is working sliding by be the most appropriate the gap between the top level of the gate with a ceiling height within the side rasils. The door can be mounted in different ways according to the gap distance (standard, low, highlift and vertical track systems).
Industrial sectional doors can easily be opened automaticly by 230-380 V-AC/50 Hz electric motor or manualy thanks to torsion spring system that balances the weight of the door.The galvanized springs are made to be durable of 25.000 door cycles.Motor with emergency chain All the drive systems have a mechanical back-up system fitted to the reduction gearbox of the electric motor, so that the sectional door can be opened if the power fails. The reduction gearbox can then be powered using the chain.
Industrial Sectional Door,Industrial Overhead Sectional Door,Industrial Warehouse Sectional Door,Industrial Garage Interior Sectional Door
Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.spiralfastdoor.com