Decades of experience and quality services are advantages of Orena. For 25 years, Orena has developed high technology such as detection, two-wire bus, AI, communication, and high-quality products, and top-level services. We establish long-term business cooperation relationships with well-known real estate companies such as Wanda, Vanke, China Resources, Poly, Overseas Chinese Town, and so on. References of Orena products can be seen all over the country, covering large airports, transportation, squares, education, hospitals, office buildings, residential buildings, hotels, industrial plants, science and technology parks, shopping malls, commercial complex.