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About product and suppliers:
        Alibaba.com offers 5,659 3kw kit products. About 42% of these are solar energy systems, 3% are other electric bicycle parts. 

A wide variety of 3kw kit options are available to you, such as free samples, paid samples. 

There are 5,591 3kw kit suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Italy, and Philippines, which supply 99%, 1%, and 1% of 3kw kit respectively. 

kw kit products are most popular in North America, Southeast Asia, and South America. 

You can ensure product safety by selecting from certified suppliers, including 2,303 with ISO9001, 1,064 with ISO14001, and 748 with Other certification.