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About product and suppliers:
        Alibaba.com offers 188 50w hps lumens products. About 5% of these are led high bay lights. 

A wide variety of 50w hps lumens options are available to you, such as paid samples, free samples. 

There are 188 50w hps lumens suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 50w hps lumens respectively. 

0w hps lumens products are most popular in North America, Western Europe, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 91 with ISO9001, 36 with Other, and 18 with ISO14001 certification.