Shenzhen Dongyihaoli Technology Co., Ltd. is engaged in security product research, development, production and marketing. We are a limited liability company. Our products sell well in China and are exported to the Middle East, North Africa, Europe, America, Southeast Asia and other parts of the world. Our company was designated as the partner of China's Public Safety Department, police stations, courts and other local governments. Our products are applied in Beijing 2008 Olympic Games, 2009 Taiwan World Games, 2010 Shanghai World Expo, 2010 Guangzhou Asian Games and 2011 Shenzhen University Games. We are committed to providing the best sales services, production services and public safety consulting services, and strive to become the top grade public safety product supplier in the world. We aim to create the world top grade brand - TEC, which is well known all over the world. We have good cooperation with the world-renowned companies. We work together to create the latest and the best public safety products for world peace and world development.