Shenzhen Chengtian Weiye Technology Co., Ltd. engages in the research, development, production, and sale of smart cards. Its business areas include: Mobile communications, Financial payments, and Public utilities. The Mobile communications business provides electronic cards such as subscriber identity module (SIM) cards. The Financial payments business provides financial integrated circuit (IC) cards issued by financial institutions as credit payment tools for consumer credit, transfers and settlements, and cash deposits and withdrawals. The Public utilities business provides read-only proximity identification cards. The company was founded by Xue Yu Feng on August 1, 2006 and is headquartered in Shenzhen, China.