Company Introduction Sheng Teng Electron International Co., Ltd. is an OEM supplier, a leading flasher and relay manufacturer and a DOT approved, ISO9001 Certificated supplier in Taiwan. Our ability in attaining economic of scale in top quality automotive products allowed us to establish the reputation. We make a commitment to providing the customers with the most sophisticated service and technology and works closely with our customers to achieve the most flexible level of bilateral interaction. Established in 1971, we have expanded the product line to flasher, relay, switch, buzzer and headlamp wire kit. The marketing channels cover most major markets in the world. The key of Sheng Teng..