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About product and suppliers:
        Alibaba.com offers 688 2nd gen products. such as free samples, paid samples. 

There are 688 2nd gen suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 2nd gen respectively. 

nd gen products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 88 with Other, 57 with ISO9001, and 5 with ISO14001 certification.
        
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