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About product and suppliers:
        Alibaba.com offers 9,557 400w led grow light products. About 92% of these are grow lights, 36% are led grow lights, and 1% are led linear high bay light. 

A wide variety of 400w led grow light options are available to you, such as ip65, ip67, and ip33. You can also choose from aluminum, plastic, and aluminum alloy. As well as from changeable, rgb, and warm white. And whether 400w led grow light is cool white, or pure white. 

There are 9,554 400w led grow light suppliers, mainly located in Asia. The top supplying countries are China, United States, and Hong Kong S.A.R., which supply 99%, 1%, and 1% of 400w led grow light respectively. 

00w led grow light products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,903 with ISO9001, 966 with ISO14001, and 876 with OHSAS18001 certification.