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About product and suppliers:
        Alibaba.com offers 1,852 600w hps bulbs products. About 46% of these are high pressure sodium lamps, 5% are pool lights, and 5% are led grow lights. 

A wide variety of 600w hps bulbs options are available to you, such as plant growth, road. You can also choose from paid samples, free samples. 

There are 1,846 600w hps bulbs suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United Kingdom, and Hong Kong, which supply 99%, 1%, and 1% of 600w hps bulbs respectively. 

00w hps bulbs products are most popular in North America, Western Europe, and Eastern Asia. 

You can ensure product safety by selecting from certified suppliers, including 279 with ISO9001, 97 with Other, and 27 with ISO14001 certification.