How long will it take if I want cold storage doors sample?
The time may vary depending on the actual situation. Give us your requirements on the cold storage doors sample first as detailedly as possible. If the sample you want is in stock now, we will deliver it in sequence and promise that you will receive it within several days. However, if you have special requirements such as size adjustment and color change, it means that we need to manufacture a new sample. It will take a longer time because we may need to perform the procedures of raw materials purchase, raw materials processing, designing, manufacturing, and quality checking. Please contact us first for further information.
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Shenzhen Hongfa Automatic Door Co, Ltd. is a professional manufacturer of industrial roller doors. For years, we maintain a leading edge in the marketplace. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and spiral door is one of them. A board range of quality tests for Hongfa spiral door will be seriously carried out. They include tests of anti-slip resistance, wearing resistance, bending, rigidity, breathability, and seaming strength. Its self-checking program can effectively show error codes. The product can remove viruses and bacteria that filters cannot remove by adding some chemical agents such as nanosilver antibacterial powder. The product is characterized by low noise.
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Persist in striving to create industrial doors for the world is a principle of Hongfa. Call!

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