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About product and suppliers:
        Alibaba.com offers 2,471 12v 20w halogen lamp products. About 9% of these are halogen bulbs, 3% are auto lighting system, and 1% are wall lamps. 

A wide variety of 12v 20w halogen lamp options are available to you, such as white, yellow, and silver. You can also choose from glass, aluminum, and plastic. As well as from h3, h1. And whether 12v 20w halogen lamp is free samples, or paid samples. 

There are 2,471 12v 20w halogen lamp suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 12v 20w halogen lamp respectively. 

2v 20w halogen lamp products are most popular in North America, South America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 567 with ISO9001, 316 with Other, and 216 with ISO14001 certification.