... .Lead free RoHS compliant 3.Good after sale service Magnetic ring:Specifications:1.Material:Ferrum,Nickle,Aluminium/Ferrum,Silicon, ... conditions6.Working temperature:-55°C to 125°CFeatures:1.Outstanding magnetic property, low power loss, high flux density,good ... price2.Primary competitive advantages:a) Country of regionb) Small order acceptedc) Experienced technical staffd) Pass the ISO9001, RoHS ...