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About product and suppliers:
        Alibaba.com offers 2,816 screw file products. About 1% of these are file folder, 1% are nail file. 

A wide variety of screw file options are available to you, such as ring binder, clip file, and presentation folder. You can also choose from pp, paper, and pvc. As well as from folder, case. And whether screw file is free samples, or paid samples. 

There are 2,816 screw file suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of screw file respectively. 

Screw file products are most popular in Domestic Market, Mid East, and North America. 

You can ensure product safety by selecting from certified suppliers, including 1,388 with ISO9001, 716 with Other, and 460 with ISO14001 certification.