Welkin Electronics (Sanwei), an electronic liner fluorescent ballasts manufacturer in China.
We mainly sell T8 32W 120V & 277V ballasts with UL & FCC certificate to North and South of America. (UL No. E247096) And we are also supplying T8 18W/36W, 20/40W 220V & 120V, T5 14W/21W/28W/35W 220V & 120V electronic ballasts to Latin America.
Our ballasts are used popular in Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama,...
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