Shenzhen ChengTianWeiYe Technology Co., Ltd. (CTWY) is a world leading smart cards manufacturer and smart cards related solutions provider.We provide almost all kind of smart cards, which includes SIM cards, financial IC cards, social security cards, ID cards, Sinopec fuel cards and smart cards production related solutions.CTWY becomes an industry leader in smart cards field. We have a high standard of corporate governance and an experienced operational team.We have four major production bases in Asia, which located in Shanghai, Shenzhen, Beijing and India. In 2018 we expand our business in Indonesia and build new factory PT. Chengtian Weiye Indnesia located at Delta Silicon, Bekasi.