How to extend self-repairing door warranty?
If you would like to extend the warranty period of self-repairing door, please consult our Customer Service Department for details. The extended warranty period is the warranty coverage that is initiated after the typical warranty period has expired. It is important to note that you can choose to purchase this warranty before the manufacturer's warranty expires.
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Shenzhen Hongfa Automatic Door Co, Ltd. has strong technical strength and processing capabilities. custom roll up doors is one of Hongfa Automatic Door Company's multiple product series. Stringent quality testing for Hongfa industrial roller doors will be carried out at the final production stage. They include EN12472/EN1888 testing for the amount of nickel released, structural stability, and CPSC 16 CFR 1303 lead element test. spiral door is manufactured based on high-quality materials. With stable physical and chemical properties, it is free from corrosion, pitting, rust, abrasion, and deformation. It is of good durability and long service life.
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We work to be environmentally responsible and mitigate the impact on all aspects of our business, and we help our customers do the same.

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