What should I do once I receive cold storage doors imperfections?
Please send photos of imperfections to Shenzhen Hongfa Automatic Door Co, Ltd. immediately. Any details may be attached. We carry out strict quality control throughout the production, from incoming materials to finished products. We promise that the pass rate of cold storage doors is at least 98%.
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Established years ago, Hongfa Automatic Door Company is now one of the most sought-after suppliers and exporters of industrial doors. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and spiral door is one of them. The quality of Hongfa electric roll up door is guaranteed by the cutting-edge quality testing machines. They are mainly continuous impact fatigue testing machine, flexing tester, and abrasion resistance tester, all of which can provide accurate testing results. The product is characterized by low noise. The product naturally has the advantage of an orderly internal structure and stable chemical composition, crystal form, and physical properties. The product helps save energy and reduce air convection.
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To achieve a breakthrough in self repairing high speed doors, it is essential for Hongfa to have determination and preservance. Call!

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