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About product and suppliers:
        Alibaba.com offers 3,058 project source products. About 1% of these are general trade agents. 

A wide variety of project source options are available to you, such as plastic, metal, and glass. You can also choose from free samples, paid samples. 

There are 3,036 project source suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United Arab Emirates, and United States, which supply 98%, 1%, and 1% of project source respectively. 

Project source products are most popular in Domestic Market, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 1,333 with Other, 1,187 with ISO9001, and 768 with ISO14001 certification.