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About product and suppliers:
        Alibaba.com offers 11,242 adjustable light bulb products. About 15% of these are led bulb lights, 6% are auto lighting system, and 1% are holiday lighting. 

A wide variety of adjustable light bulb options are available to you, such as e27, e14, and 2g7. You can also choose from ce, ccc, and rohs. As well as from aluminum alloy, abs. And whether adjustable light bulb is free samples, or paid samples. 

There are 11,278 adjustable light bulb suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of adjustable light bulb respectively. 

Adjustable light bulb products are most popular in North America, Western Europe, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 1,597 with ISO9001, 1,455 with Other, and 316 with ISO14001 certification.