ISO9001 & SGS Certified | Since 2002 | 12,000 m² Factory | Custom Composite Strip | 7-15 Day Ship Electronic connections live on two numbers: resistance and reliability. A joint that drifts in resistance becomes heat; a weld that varies becomes a field failure. This copper-nickel composite strip is built for electronic connectors — copper core for low electrical resistance, nickel cladding for clean welds and corrosion protection, construction per drawing. No grade designatio