Is there free fast shutter door sample provided?
If the product page of fast shutter door is marked with "Free Sample", then a free sample is available. In general, free samples are available for regular products of Shenzhen Hongfa Automatic Door Co, Ltd.. However, if the customer has certain requirements, such as product size, material, color or logo, we will charge a fee. We sincerely hope that you understand that we want to charge the sample cost and will deduct it once the order is confirmed.
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Established years ago, Hongfa Automatic Door Company has acquired a distinguished position amidst the leading manufacturers and exporters of industrial doors in China. Hongfa Automatic Door Company focuses on providing a variety of spiral door for customers. The materials Hongfa Dock Loading System uses have been well selected and strictly tested. The product helps save energy and reduce air convection. Using this product is able to save a huge number of lives each year in the issue of waterborne diseases. Its special zipper design structure connects eliminates gaps.
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One of our business principles is to work closely with customers. Through this partnership of shared experience and ideas, we are confident to become stronger and more professional in this field.

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