... : Automotive, medical device, electronics,toy and so onThis spring will not be magenetic field,not fever,not be broken ... temperaturesCan be used in various corrosive mediumsMain material: carbon spring steel, alloy spring steel, refractory steel, stainless steel, high temperature ... or CFR CIFPayment: T/T 30 % deposit, 70% balance payment before shipment Delivery time: about 4 weeks after receiving ...