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About product and suppliers:
        Alibaba.com offers 3,590 black portfolio folder products. About 82% of these are file folder, 5% are notebooks, and 1% are other hotel & restaurant supplies. 

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

There are 3,590 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 593 with Other, 570 with ISO9001, and 20 with FSC certification.