Among the curtain varieties, spring roll curtain to automatic roll back function is very popular, the existing spring roll curtain must be equipped with bracket fixed two sides of the bracket, pre-adjusted according to the size of the curtain before the factory to use the speed of return, in order to create greater economic benefits, our company to the existing curtain structure to streamline, innovation, so eliminate the upper bracket part, At the same time can simplify the production procedures, users can adjust the speed of the curtains according to their own wishes, the product can also be pre-set before the factory, to be installed after the curtain pulled out the card stand can be used.
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