- Business
- Shenzhen Chengtian Weiye Technology Co., Ltd. (300689.SZ) researches, develops, manufactures, sells and services smart cards, special chips, power semiconductors and packaging materials primarily in China and internationally. The company offers telecom SIM cards, financial IC cards, ID cards, social security cards, fuel cards and other smart card products; dedicated smart card chips for storing and processing key information; power semiconductor devices including IGBT, MOSFET and SGT; and semiconductor packaging materials such as TO and IC lead frames. It serves markets including mobile communications, financial payments, public utilities, transportation, Internet of Things, social services, photovoltaics, energy storage and electric vehicles, with headquarters in Shenzhen, China, where it was founded in 2006.