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About product and suppliers:
        Alibaba.com offers 3,560 black portfolio folder products. About 83% of these are file folder. 

A wide variety of black portfolio folder options are available to you, such as paper, pu, and pp. You can also choose from document bag, clip file, and presentation folder. As well as from folder, bag, and case. And whether black portfolio folder is free samples, or paid samples. 

There are 3,560 black portfolio folder suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of black portfolio folder respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 596 with Other, 515 with ISO9001, and 18 with FSC certification.