February 1998, the Shenzhen Chitongda Electronic Co.,Ltd was established in line with security equipment, like anti-foglight, LBD, traffic signal light, auto cable and so on. In 1999, the style of JOY-98, JOY-99, JOY-2000 telephone auto-dial alarm systems come out and put into domestic market. In 2000, the products are exported in big volume,such as Singapore, Japan, Thailand, France, Germany.In 2001,the new product, intelligent auto-dial alarm system was put into overseas market,and passed the CE . In 2001, the Chitongda Electronic Co.,Ltd was evaluated by Shenzhen Science and Technology Bureans as one of the high-tech programs,also has passed the check by the Security & Alarm Electronic of Public Security of China. In 2002, the JOY-C and JOY-D alarm systems were pushed into market, and got good feedback. In 2003, China Consumers Protection Foundeation honors “Wolf-Guard” as the Credit Brand of China Consumers Trust Products.At the same time, the company took part in China Hi-Tech Fair 2001,2002,2003. In 2004, Chitongda International Co.,Ltd was established and registered in USA. In 2004, Achieved British BSI ISO9001:2000 and QS9000 Quality Management System Certificates at the same time. In 2004, researched the GSM alarm system and JOY-A alarm system with the colored display. 2004, Attended the 6th China Hi-tech Fair. 2005, Approve by ISO 9001 international quality Management system certification. 2005, Chitongda began to use the new factory formally to explore the size of the factory. 2005, Successfully invented a new security product consisting of anti-theft lock and alarm system. 2005, All the products tested by 3C and approve qualified. 2006, Be awarded as The Leading Domestic Security Brand In China. 2006,Attend the 8th China Hi-tech Fair, the Director of the Technique Direct. 2007,Gain the Reputation of the TOP 10 Security alarm system Brands in China. 2007,Approved by FCC certificate. 2007, The headquarter office move to TianLi Center Square Building. 2008, Attended HK Electronics Fair. 2008, Security construction Department established.