Is there instruction manual for high speed door?
Yes, we can offer an instruction manual for high speed door to every customer. The end-user manual is compiled by our skilled workers who are familiar with every part of the product and can proficiently operate the products as well. On the first page of the manual, there is a quick version of the instructions' catalog which describes every step of the installation in short. In addition, we have clear and detailed pictures exquisitely printed for better understanding of users. English version is commonly used for users now.
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With professional production of spiral door, Shenzhen Hongfa Automatic Door Co, Ltd. has won a broader international market. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and roll up door is one of them. The quality inspections of Hongfa industrial roller doors cover different aspects. These inspections include thickness tolerance, flatness, thermal stability, anti-bending capability, and colorfastness. The product has the alarm light to remind the operators. The professional QC team guarantees its quality by following the strict international standards. The product has the alarm light to remind the operators.
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We have established a process where resources are recovered from used products, recycled into new products, and further delivered to customers, to realize sustainable business activities throughout the product life cycle.

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