How about production process for cold storage doors?
There are several steps in the production of cold storage doors. Each step is of great significance and is made strictly. Raw materials are important in the production. They should be tested before being processed. During the production, the production line should be controlled to make sure that the output is stable and the quality is great. Then quality control is taken. In general, the manufacturer should separate each production step by establishing different workshops.
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Shenzhen Hongfa Automatic Door Co, Ltd. is an experienced Chinese supplier of industrial doors with a proven successful background in product design and manufacture within this industry. According to the material, Hongfa Automatic Door Company's products are divided into several categories, and roll up door is one of them. The design of Hongfa spiral door has taken into account many factors. These factors include tightness, wear resistance, slip and flex cracking resistance, breathability, and moisture-wicking. The product features trouble-free operation up to 150,000 times. It is highly resistant to chemical corrosion. It is electrostatically sprayed with the powder paint to form a thick layer which can protect the surface from corrosion. Its control panel adopts Italy brand - SERVO.
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Being recognized to be a dominant cold storage doors manufacturer is Hongfa's goal. Please contact us!

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