Detailed Product Description Product name:BallastBrand:ChiyanModle number:857Place of origin:ChinaFeatures:(1)Main Voltage:220V(2)Main frequency:50-60Hz(3)Low magnetic leakage and low raise temperature(4)Specifications:20W,30W,40W(5)Color:many colors(6)Material:steel cover.(7)OEM/ODM orders available(8)Certificates:CE,CCC(9)Payment term:L/C,T/T,WEST UNION(10)Compact fluorescent lamps1.advance cir ...