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      CMMI5 is short for "Software Process Capability Maturity Model Integration". CMMI5 is a set of evaluation and certification system developed by SEI Institute of Carnegie-Mellon University. It is the most authoritative and appraisal system of software process in the world . CMMI is divided into five levels, of which CMMI5 is the highest level, marking the standardization, standardization, maturity in the industry in the forefront of the industry.

      Located in Shenzhen, Sundray Technology Headquarters is dedicated to the research and development of enterprise-level wireless products with more than 150 R & D teams and is the largest technical team in China for wireless technology research and development. Sundray technology in the software development in strict accordance with the CMMI5 standards, product quality control system reached the international advanced level. Since the advent of Sundray technology wireless products, it has been approved by thousands of customers in the industry. Home Inn, Wanda Plaza, Northeast Normal University, Beijing 798 Art Zone, New Century Hotel Group, Meilai Plastic Surgery Hospital, JZJ, BAIC Group, China United Airlines, SASAC Supervisory Board, Golden Light Green Square, Shanghai National Accounting Institute, Zhejiang Wencheng County Board of Education, Shanghai God Save Hospital, Infinitus, Sinpo Logistics, 7 Days Inn, Jinjiang Inn Chain, Northeast Xuexiang, Huangshan Jade Valley, Anta Sports, Nanfu Battery, Street Street Technology, Lily Network, Shaanxi Provincial Department of Finance, Henan Provincial Department of Water Resources and other well-known users are using Sundray wireless.

      Software development walk in the forefront of the industry, the same product after-sales service leader. In the country, the letter Rui technology has 26 directly under the branches, 8 spare parts products store, service outlets covering the whole country, providing 7 * 24 hours after-sales service support, service system passed the ISO9001 certification. Sundray technology to provide users with 30 minutes to respond to the problem, wireless AP within one year only for non-repair and other high-quality products and services.