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About product and suppliers:
        Alibaba.com offers 63,493 copper screw products. About 15% of these are screws, 1% are bottles, and 1% are other solar energy related products. 

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

There are 63,493 copper screw suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of copper screw respectively. 

Copper screw products are most popular in North America, Domestic Market, and South America. 

You can ensure product safety by selecting from certified suppliers, including 29,269 with ISO9001, 9,434 with ISO14001, and 6,119 with Other certification.