About product and suppliers:
            5,958 20w light bulb products are offered for sale by suppliers on Alibaba.com, of which led bulb lights accounts for 8%, auto lighting system accounts for 7%. 

A wide variety of 20w light bulb options are available to you, such as lighting and circuitry design, project installation, and dialux evo layout. You can also choose from white 20w light bulb, as well as from residential, warehouse, and office 20w light bulb, and whether 20w light bulb is ce, bv, or c-tick. 

There are 5,180 suppliers who sells 20w light bulb on Alibaba.com, mainly located in Asia. The top countries of suppliers are China, Vietnam, and Hong Kong S.A.R., from which the percentage of 20w light bulb supply is 98%, 1%, and 1% respectively.