American Electric Rainbow (ROYBO Electric) company, mainly engaged in sophisticated sensor and circuit control system design and development has been providing a variety of sensors and customized circuit control systems and other products for BOEING, GE and many U.S. military enterprises. In the 1990s, the time of industrial control technology into a comprehensive rapid development, ROYBO also be positioned in the international market. In 2007, Rainbow (Hong Kong) was founded and established an office in Beijing. ROYBO began working to develop the domestic market, in 2011 the company for the condition of the domestic market, the development of a new generation of modular signal isolation transmitter products: R series in the country to promote sales! 2013 launched the world's smallest R1 series products, products for machinery, electricity, steel, cement, metallurgy, building materials, textile, printing and dyeing, rail transportation, sewage treatment in the field of data acquisition, signal transmission conversion, complete sets of equipment, system integration, etc. various areas throughout the country has a huge customer base, market share among the best in the industry and users, and the use and service has been unanimously praised. Excellent product quality and scientific management to establish a first-class brand, product performance, reliable, accurate and stable and low-power won wide acclaim from customers. ROYBO products supported by science and technology, innovation-driven, quality and development, in good faith for life!