... 4.wire Dia:0.1-5.0mm supply conical metal spring The products in our company are widely used ... and delivery at home and abroad. Item Namesupply conical metal spring Brand NameDashing SpringMaterialcarbon steel;spring steel;stainless steel, ... TreatmentZinc,Nickel,Silver,Golden,Tin,Powder coatingCapacityOEM, Our companyCertificateISO9001,ISO14001,GP,RoHSPackingInner plastic bags and outer cartons or as ...