Xin Hua Da Technology Co., Ltd. Beijing Branch, is a professional security system repair, maintenance, and renovation of high-tech professional service company, the company insisted that "our focus, customer confidence" to serve the principle of adhering to " credibility of the first, technology first, quality first "four one target. Provide our clients with "Professional, attentive, absorbed," continued the whole human services. 
 Since its inception, with regard to quality engineering maintenance quality, professional service and superb technology, as many property companies and engineering firms in the long-term partner. The company has a professional technical team, which accounted for 30% of hardware engineers, software engineers, 20%, professional and technical maintenance staff, 50%. And these engineers in product development and production line has done for many years. For new technologies, new products emerge, we also combined the hundreds of major product suppliers, the establishment of long-term technical exchange and cooperation. Replenish our technical strength. Efforts over the years is to do one thing today, that is: do security maintenance --- to resolve customer worries. 
 Years of rapid development and growth of our maintenance business has been all over Beijing and the country. The majority of customers trust and support, in order to better serve customers, improve our efficiency and service quality, the company has been in accordance with the standards of ISO9001-2000 quality management system fully established, further impetus to the systematic management, standardized and scientific. Management by creating the first-class technology first-class companies and the quality of staff to forge ahead.