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About product and suppliers:
        Alibaba.com offers 390 paper certificate diploma cover products. About 76% of these are file folder. 

A wide variety of paper certificate diploma cover options are available to you, such as presentation folder, ring binder, and lever arch file. You can also choose from paper, leather, and pu. As well as from folder, case. And whether paper certificate diploma cover is free samples, or paid samples. 

There are 389 paper certificate diploma cover suppliers, mainly located in Asia. The top supplying countries or regions are China, India, and Hong Kong S.A.R., which supply 95%, 4%, and 1% of paper certificate diploma cover respectively. 

Paper certificate diploma cover products are most popular in North America, Western Europe, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 24 with ISO9001, 5 with Other, and 3 with ISO14001 certification.