Beijing Tianda Qingyuan Communication Technology Co., Ltd. was established in 2004 (stock code 430103) and is a domestically independent and advanced provider of overall physical space security solutions. Tian Da Qingyuan focuses on tracking and researching the technological development trends in the field of confidentiality technology. With core technologies with independent intellectual property rights, the company has been committed to serving the confidentiality industry with perseverance and dedication for ten years. The company aspires to become an advanced "physical security expert" in China. According to customer needs, relevant national confidentiality management regulations and standards, and timely provision of secure and reliable physical security solutions based on sound, light, electromagnetic, and wireless signal attacks and protection by Tian Da Qingyuan; At the same time, we provide comprehensive services to clients in terms of confidentiality and security, including confidential office, secure mobile storage, confidentiality training, and confidentiality technical consulting. As a practitioner in the fields of confidential technology and physical security in China, the company has always adhered to the business model of "production, learning, research, and sales". Following the path of independent research and development, technological innovation, and technological cooperation, it has now developed into an innovative enterprise with strong technical research and development capabilities in the fields of physical security and confidentiality technology. Tian Da Qingyuan fully leverages its technological advantages and information technology platform, breaks through industry technological barriers, and continuously fills the technological gap in the field of domestic information security and confidentiality technology. At the same time, Tian Da Qingyuan has established its own intellectual property database, adhering to the business philosophy of continuous innovation, improving its independent and controllable technology development system, continuously expanding its market space, and committed to providing high-quality confidential services to customers across the country!