Who is keystone electronics? Designers and Manufacturers of Electronic Components and Hardware For over sixty years, Keystone Electronics has been manufacturing precision electronic interconnect components and hardware, supplying quality products at competitive prices to industry, worldwide.Why choose keykeystone cable? Keystone Cable is a leading Singapore-based cable manufacturer and supplier for the regional markets. Established since 1990, Keystone Cable specializes in the manufacture & supply of Extra Low Voltage, Low Voltage Wiring and High Voltage cables to various industries, including Building & Infrastructure, Oil & Gas, Data Communication, and more.Where can i get a part for my keystone parts? Parts can only be obtained through an Authorized Keystone Dealer Service Center. Find a dealer or service center.What is keykeystones quality assurance program? Keystone's Quality System is ISO 9001 certified by DNV Certification, Inc. under the RAB and RvA accreditations. Our quality assurance program is in accordance with these requirements and applies to all standard and custom interconnect components and hardware.