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About product and suppliers:
        Alibaba.com offers 229 round lamp ballast products. About 14% of these are ballasts, 4% are led tube lights, and 1% are ultraviolet lamps. 

A wide variety of round lamp ballast options are available to you, such as electronic, magnetic, and inductive. You can also choose from active, without. As well as from high intensity discharge, high pressure sodium. And whether round lamp ballast is t8, or t5. 

There are 154 round lamp ballast suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of round lamp ballast respectively. 

Round lamp ballast products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 48 with ISO9001, 16 with Other, and 15 with ISO14001 certification.