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About product and suppliers:
        Alibaba.com offers 171,724 china screw making machine products. About 57% of these are plastic extruders, 2% are thread rolling machines, and 1% are feed processing machines. 

A wide variety of china screw making machine options are available to you, such as free samples, paid samples. 

There are 171,728 china screw making machine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Iran (Islamic Republic of), which supply 99%, 1%, and 1% of china screw making machine respectively. 

China screw making machine products are most popular in Domestic Market, Mid East, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 39,527 with ISO9001, 18,726 with Other, and 1,116 with ISO14001 certification.