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About product and suppliers:
        Alibaba.com offers 52,250 a4 folder products. About 69% of these are file folder, 3% are specialty paper, and 1% are paper & paperboard printing. 

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

There are 51,986 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 11,359 with ISO9001, 6,034 with Other, and 2,477 with ISO14001 certification.