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About product and suppliers:
        Alibaba.com offers 51,659 a4 folder products. About 68% of these are file folder, 1% are brochure printing, and 1% are catalogue printing. 

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

There are 51,394 a4 folder suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Hong Kong, which supply 92%, 4%, 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 11,237 with ISO9001, 6,392 with Other, and 2,345 with ISO14001 certification.