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About product and suppliers:
        Alibaba.com offers 5,439 40 lamp base products. About 2% of these are lamp holders & lamp bases, 1% are table lamps & reading lamps, and 1% are floor lamps. 

A wide variety of 40 lamp base options are available to you, such as energy saving, incandescent, and led. You can also choose from ceramic, wooden, and steel. As well as from screw, modern, and decoration. And whether 40 lamp base is ce, ccc, or rohs. 

There are 5,439 40 lamp base suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of 40 lamp base respectively. 

0 lamp base products are most popular in Western Europe, North America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 1,542 with ISO9001, 749 with Other, and 124 with ISO14001 certification.