Crown Electronics Co., Ltd. of Dongguan City (1st Technology Co., Ltd.), is a research and development, production of private technology enterprises. 1st is the is the first, the Crown research crown in the same industry, adhere to the scientific and technological innovation for the concept of demand-driven people to fully experience the people-oriented science and technology (People to People Technology). 1st in 2004 began the development of anti-drunk driving car lock system (alcohol lock, BAIIDs), officially launched in the market in 2005, becoming the first success in Asia R & D and production of [ethanol lock] business, but also won the 2007 Hong Kong "Hong Kong Electronic Industries Association Award for new technology products. "In the same year, Crown also introduced the world's first PDA functions with full-color touch-screen wine inspection device, and promote the Hong Kong Economic Times. Crown's new PDA functions with full-color instrument FiT333 police seized more wine by National Standards GB/T21254-2207 certification.