Guangzhou Xinghongde Electronic Technology Co., Ltd. (brand: RH-AUDIO, Chinese abbreviation: Ruihuang Audio System) is a high-tech industrial company that integrates research and development, production, and sales of digital network audio systems and other series of products. Its headquarters is located in Guangzhou, one of the three major cities in China. Since its establishment, the company has adhered to the business philosophy of continuous innovation and creating value for customers, enabling its products to adapt to future technological and business development changes to the greatest extent possible. After years of effort, our competitiveness has been comprehensively improved, and we have successively obtained qualifications and honors such as "China Compulsory 3C Certification", "European CE Certification", "American FCC Certification", "Environmental Protection ROHS Certification", "ISO9001 Quality System Certification", "ISO14001 Environmental Management System Certification", "OHSAS18001 Occupational Health and Safety Management System Certification", "China Quality CQC Certification", "National AAA Credit Enterprise Certificate", and multiple "National Invention Patent and Utility Model Patent Certificates". The RH-AUDIO brand product series includes a series of supporting equipment such as digital network audio systems, intelligent broadcasting systems, emergency fire broadcasting systems, campus network broadcasting systems, teaching amplification systems, public broadcasting speaker series, conference systems, professional amplification systems, etc. The product can be widely used in public places such as sports venues, exhibition centers, hotels, airports, schools, supermarkets, parks, saunas, stations, factories, and residential areas. The company continuously improves its marketing management system and enhances its overall competitiveness. A marketing network and service system have been established in major and medium-sized cities in China to provide high-quality technical support and after-sales service in a timely manner. The international market also has a strong brand awareness. The products have been exported to Southeast Asia, the Middle East, Africa, Europe and the United States. The progressiveness, practicality, stability, quality and technology of the products have been recognized and favored by customers.