Variable Resistor: .1.OEM 2.ISO 9001:2008 3.Prodcts Diversity ... equipmentindustry,ect.5.For customer specifications,can be made into variable/adjustable resistor. Commonspecification50W20Ω,80W20Ω,100W20Ω,100W100Ω,150W10Ω,150W20Ω,200W20Ω,200W200 ... and packing .3. More details, please contact us. Power Wirewound Variable Resistors