... conductivity and the insulation. 3)Electric wire ends with the two educing club connecting with power, it has a simple structure, ... of high-quality materials and strict process technology, made with excellent electrical insulation properties and resistance to high electric ... : Stainless steel seamless pipe, welded pipe, copper, yellow brass pipe, carbon steel pipeCommon diameter:Φ22,Φ20,Φ18,Φ16,Φ14 ...