Company Profile   |   Products GCP - Company Profile: GCP-Exceltek designs and manufactures cable assemblies (RF, Earphone, Medical & Harnesses), and Antenna for leading OEM & ODM customers in the electronics industry. GCP-Exceltek provide our customers with excellent competitive prices. GCP-Exceltek, with its two manufacturing facilities, located in Kunshan and Dongguan, China, has positioned itself to become one of the excellent electronics manufacturers in the world.