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About product and suppliers:
        Alibaba.com offers 51,815 a4 folder products. About 67% of these are file folder, 2% are notebooks, and 1% are packaging boxes. 

A wide variety of a4 folder options are available to you, such as document bag, manila folder, and presentation folder. You can also choose from leather, paper, and pp. As well as from folder, bag. And whether a4 folder is free samples, or paid samples. 

There are 51,549 a4 folder suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 92%, 5%, and 1% of a4 folder respectively. 

A4 folder products are most popular in North America, Western Europe, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 12,375 with ISO9001, 6,255 with Other, and 2,062 with ISO14001 certification.