KERONG focus on intelligent passive electronic locks R & D has been more than 22 years of history, and has repeatedly won the domestic top ten brands, the domestic hundreds of honest suppliers and other honorary titles; KERONG sales system is mainly based on the channel market, over the past 22 years, the company's partners/agents/distributors have been all over the five continents such as Europe, the United States, Asia, Africa, Australia and other 128 countries and regions, the formation of a strong market KERONG intelligent passive electronic lock products are widely used in electric power, tower, rail transit, oil, airport and logistics vehicle management and other 20 industries, service users more than 300,000 times.