About us CUSP ?Shenzhen Cusp Technology Co., Ltd was founded in 2007, specializing in the service of producing, developing and selling car audio & video, car navigation (GPS), automotive rear-view system and precise hardware. Our products recognized by the International ISO9000 and ISO2000 Quality System, and obtained the certifications of FCC/CE/3C/ROHS .trying to verify ISO / TS16949: 2009 as a ...